Finding the right words to compliment someone’s appearance can make a simple conversation feel much more meaningful. While “you’re beautiful” is sincere and timeless, sometimes you want a fresher, more personal, romantic, elegant, or playful way to express the same feeling.
Knowing other ways to say you’re beautiful can help you match your compliment to the relationship and situation. Whether you are talking to a romantic partner, close friend, family member, or someone you admire, choosing the right expression can make your words sound more genuine and memorable.
This guide brings together natural alternatives for different tones, from sweet and romantic compliments to classy, poetic, casual, and deeply heartfelt expressions. Each phrase includes a definition, usage rule, practical example, and helpful tip so you can choose the right words confidently.
Quick Answer
Some natural alternatives to “you’re beautiful” include “You look stunning,” “You’re absolutely gorgeous,” “You’re radiant,” “You look incredible,” “You have a beautiful presence,” and “Your beauty is unforgettable.” The best choice depends on your relationship, tone, and the kind of compliment you want to give.
Sweet and Everyday Ways to Say You’re Beautiful
1. You Look Amazing
Definition: This is a warm and natural compliment that tells someone their appearance is especially impressive.
Usage rule: Use it in everyday conversations when you want to sound enthusiastic without being overly romantic.
Practical example: “You look amazing today. I love your outfit.”
Tips: This phrase works particularly well when someone has made an effort with their appearance.
2. You Look Wonderful
Definition: “You look wonderful” expresses sincere admiration in a gentle and positive way.
Usage rule: Use it when you want your compliment to sound warm, respectful, and genuine.
Practical example: “You look wonderful tonight. That colour really suits you.”
Tips: It is suitable for friends, partners, family members, and other people you know well.
3. You Look Lovely
Definition: This phrase is a soft and charming way to compliment someone’s appearance.
Usage rule: Use it when you want a gentle compliment rather than something dramatic or intense.
Practical example: “You look lovely in that dress.”
Tips: “Lovely” has a warm, understated quality that makes it useful in many social situations.
4. You Look Gorgeous
Definition: “You look gorgeous” is a stronger compliment that communicates clear admiration.
Usage rule: Use it when someone’s appearance genuinely stands out to you.
Practical example: “You look gorgeous tonight. Everyone is going to notice you.”
Tips: It is particularly natural in romantic conversations or when complimenting someone before an event.
5. You Look Beautiful Today
Definition: This is a direct but slightly more personalised variation of the original compliment.
Usage rule: Use it when you want to compliment someone’s appearance in a simple and sincere way.
Practical example: “You look beautiful today. You seem especially happy.”
Tips: Adding “today” makes the compliment feel connected to the moment.
6. You’re Looking Fantastic
Definition: This phrase expresses enthusiastic admiration for someone’s overall appearance.
Usage rule: Use it in casual or friendly settings when you want to sound energetic.
Practical example: “You’re looking fantastic! Where did you get that jacket?”
Tips: It is more conversational than poetic, making it ideal for everyday interactions.
7. You’re Absolutely Stunning
Definition: This is a powerful compliment suggesting that someone’s appearance is exceptionally attractive.
Usage rule: Use it when you want to make a strong impression.
Practical example: “You’re absolutely stunning in that outfit.”
Tips: Because it is emphatic, reserve it for moments when you genuinely want to express strong admiration.
Romantic Ways to Say You’re Beautiful
8. You Take My Breath Away
Definition: This romantic expression means someone’s beauty or presence affects you so strongly that you struggle to find words.
Usage rule: Use it with a romantic partner or someone with whom you share strong emotional feelings.
Practical example: “Every time I see you dressed like this, you take my breath away.”
Tips: It sounds especially natural in romantic messages and special occasions.
9. I Can’t Take My Eyes Off You
Definition: This phrase communicates intense attraction and admiration.
Usage rule: Use it in romantic situations when you want to emphasise how captivating someone looks.
Practical example: “You look incredible tonight. I honestly can’t take my eyes off you.”
Tips: It is more intimate than a standard compliment, so consider your relationship before using it.
10. You’re Irresistibly Beautiful
Definition: This phrase combines admiration with a strong sense of attraction.
Usage rule: Use it when speaking romantically to someone you are attracted to.
Practical example: “There’s something about you that’s irresistibly beautiful.”
Tips: Use it sparingly because its intensity makes it more suitable for romantic contexts.
11. You’re the Most Beautiful Person I Know
Definition: This compliment expresses deep admiration and suggests that the person stands out above everyone else to you.
Usage rule: Use it when you want to communicate strong personal affection.
Practical example: “You’re the most beautiful person I know, inside and out.”
Tips: Adding “inside and out” makes the compliment about personality as well as appearance.
12. You’re Beautiful in Every Way
Definition: This expression suggests that someone’s beauty extends beyond physical appearance.
Usage rule: Use it in meaningful romantic or emotional conversations.
Practical example: “You’re beautiful in every way, and that’s what I love most about you.”
Tips: It works especially well when you want to recognise someone’s character too.
13. You Make Everything Around You More Beautiful
Definition: This poetic compliment suggests that someone’s presence improves the atmosphere around them.
Usage rule: Use it with someone you share an emotional or romantic connection with.
Practical example: “You make everything around you more beautiful just by being here.”
Tips: This sounds more heartfelt than simply commenting on physical appearance.
14. You’re Even More Beautiful Than I Imagined
Definition: This phrase expresses admiration that exceeds your previous expectations.
Usage rule: Use it when meeting someone in person or after seeing them in a special setting.
Practical example: “I’ve seen your photos, but you’re even more beautiful than I imagined.”
Tips: Use this only when it feels natural; otherwise, it may sound overly dramatic.
Elegant and Classy Ways to Say You’re Beautiful
15. You’re Truly Elegant
Definition: This compliment focuses on someone’s graceful, refined, and sophisticated appearance.
Usage rule: Use it when someone’s style or manner is polished rather than simply attractive.
Practical example: “You’re truly elegant tonight. Everything about your look works perfectly.”
Tips: “Elegant” is excellent for formal events, professional settings, and sophisticated outfits.
16. You Have Such a Graceful Presence
Definition: This expression compliments someone’s overall manner, appearance, and presence.
Usage rule: Use it when you admire more than physical features alone.
Practical example: “You have such a graceful presence; people naturally notice you.”
Tips: It sounds thoughtful and sophisticated.
17. You’re Exceptionally Attractive
Definition: This phrase expresses strong admiration in a more polished and restrained manner.
Usage rule: Use it when you want to sound mature and confident.
Practical example: “I have to say, you’re exceptionally attractive.”
Tips: This works best when a direct but sophisticated compliment is appropriate.
18. You Have a Striking Appearance
Definition: “Striking” means someone’s appearance is particularly noticeable or impressive.
Usage rule: Use it when a person’s features or overall look immediately catch your attention.
Practical example: “You have such a striking appearance; your style really stands out.”
Tips: This is a useful alternative when you want to avoid overly romantic language.
19. You Look Remarkably Refined
Definition: This phrase compliments a polished, sophisticated, and carefully presented appearance.
Usage rule: Use it for formal occasions or when someone has an especially sophisticated style.
Practical example: “You look remarkably refined in that suit.”
Tips: It is more formal than “you look amazing”, so choose it according to the setting.
20. You Have Timeless Beauty
Definition: This phrase suggests that someone’s beauty remains appealing regardless of trends or changing fashions.
Usage rule: Use it for a particularly meaningful and elegant compliment.
Practical example: “You have a timeless beauty that never seems to change.”
Tips: It works especially well in heartfelt writing, cards, and romantic messages.
21. You Carry Yourself Beautifully
Definition: This compliment focuses on someone’s confidence, posture, manner, and overall presence.
Usage rule: Use it when you want to compliment personality and appearance together.
Practical example: “You carry yourself beautifully, and your confidence makes you stand out.”
Tips: This is a thoughtful choice when you want to avoid focusing solely on physical features.
Poetic and Creative Ways to Say You’re Beautiful
22. You Shine Brighter Than the Stars
Definition: This is a poetic comparison that portrays someone’s beauty as exceptionally radiant.
Usage rule: Use it in romantic messages, creative writing, or deeply affectionate conversations.
Practical example: “On a night like this, you shine brighter than the stars.”
Tips: Because it is highly poetic, it is better suited to special moments than ordinary conversation.
23. You’re Like a Work of Art
Definition: This phrase compares someone’s appearance to something carefully created and admired.
Usage rule: Use it when you want a creative and memorable compliment.
Practical example: “You walked into the room looking like a work of art.”
Tips: It can sound romantic without being overly sentimental.
24. Your Beauty Is Captivating
Definition: “Captivating” means someone holds your attention because they are exceptionally appealing or fascinating.
Usage rule: Use it when someone’s appearance or presence strongly attracts your attention.
Practical example: “There’s something captivating about your smile.”
Tips: Pairing “captivating” with a specific feature can make the compliment more personal.
25. You’re Radiant
Definition: “Radiant” describes someone who appears glowing, joyful, and exceptionally attractive.
Usage rule: Use it when someone’s happiness or energy contributes to their beauty.
Practical example: “You look radiant today. Whatever happened, keep smiling.”
Tips: This is a short, elegant alternative that works in both spoken and written compliments.
26. Your Smile Lights Up the Room
Definition: This phrase compliments the emotional effect of someone’s smile rather than just its appearance.
Usage rule: Use it when someone’s smile noticeably changes the atmosphere.
Practical example: “Your smile lights up the room every time you walk in.”
Tips: It feels more personal than simply saying someone has a nice smile.
27. You’re a Vision of Beauty
Definition: This poetic expression describes someone as an exceptionally beautiful sight.
Usage rule: Use it for romantic, artistic, or highly expressive compliments.
Practical example: “You’re a vision of beauty tonight.”
Tips: This phrase is dramatic, so use it when a memorable compliment is appropriate.
28. There’s Something Magical About You
Definition: This expression suggests that someone’s beauty and presence create a special, almost indescribable feeling.
Usage rule: Use it when you want to compliment someone’s overall charm rather than a specific physical feature.
Practical example: “There’s something magical about you that makes everyone feel comfortable.”
Tips: It works particularly well when emotional connection matters as much as appearance.
Heartfelt Ways to Say You’re Beautiful
29. You’re Beautiful Inside and Out
Definition: This classic expression compliments both physical appearance and inner character.
Usage rule: Use it when you genuinely appreciate someone’s personality as well as their looks.
Practical example: “You’re beautiful inside and out, and that’s what makes you so special.”
Tips: This is one of the safest choices when you want your compliment to feel meaningful rather than superficial.
30. Your Beauty Comes From Who You Are
Definition: This phrase suggests that someone’s character contributes significantly to their attractiveness.
Usage rule: Use it in emotional or heartfelt conversations.
Practical example: “Your beauty comes from who you are and the way you treat people.”
Tips: It is especially effective when praising kindness, compassion, or authenticity.
31. You Have Such a Beautiful Soul
Definition: This expression compliments someone’s kindness, character, compassion, and emotional nature.
Usage rule: Use it with people you know well and genuinely admire.
Practical example: “You have such a beautiful soul; you always make time for others.”
Tips: This phrase focuses on inner beauty rather than physical appearance.
32. Your Kindness Makes You Even More Beautiful
Definition: This compliment connects someone’s positive behaviour with their attractiveness.
Usage rule: Use it after witnessing a thoughtful or compassionate action.
Practical example: “Watching you help her reminded me that your kindness makes you even more beautiful.”
Tips: Mentioning a specific action makes the compliment sound authentic.
33. You Become More Beautiful Every Day
Definition: This phrase suggests that someone’s beauty continues to grow over time.
Usage rule: Use it with a romantic partner or someone with whom you have a close emotional connection.
Practical example: “I don’t know how it’s possible, but you become more beautiful every day.”
Tips: It works particularly well in anniversary messages and romantic notes.
34. Your Beauty Goes Beyond Appearance
Definition: This phrase acknowledges that someone’s most meaningful qualities cannot be measured by looks alone.
Usage rule: Use it when you want to give a deeper and more thoughtful compliment.
Practical example: “Your beauty goes beyond appearance; it’s reflected in everything you do.”
Tips: This is ideal when discussing character, confidence, kindness, or emotional strength.
35. You’re Beautiful Just as You Are
Definition: This reassuring phrase tells someone that they do not need to change to be worthy of admiration.
Usage rule: Use it when someone feels insecure or doubts their appearance.
Practical example: “You don’t need to change anything. You’re beautiful just as you are.”
Tips: Say it sincerely and avoid using it to dismiss someone’s feelings.
Flirty and Playful Ways to Say You’re Beautiful
36. How Are You This Gorgeous?
Definition: This playful question expresses surprise and admiration at someone’s attractiveness.
Usage rule: Use it in flirtatious conversations with someone you know is comfortable with that tone.
Practical example: “Seriously, how are you this gorgeous every single day?”
Tips: The question format makes the compliment sound spontaneous.
37. You’re Looking Dangerous Tonight
Definition: This playful expression suggests that someone looks so attractive they might be impossible to resist.
Usage rule: Use it only in clearly flirtatious or romantic situations.
Practical example: “You’re looking dangerous tonight in that outfit.”
Tips: Your relationship and tone of voice are important because this expression is intentionally teasing.
38. You’re Making It Hard to Concentrate
Definition: This flirtatious phrase suggests that someone’s attractiveness is distracting.
Usage rule: Use it with someone when playful flirting is already appropriate.
Practical example: “You’re making it really hard for me to concentrate on this conversation.”
Tips: Keep it light and respectful.
39. You Look Way Too Good Tonight
Definition: This casual compliment expresses playful surprise at someone’s attractive appearance.
Usage rule: Use it with friends, dates, or romantic partners depending on the relationship.
Practical example: “You look way too good tonight. Everyone is going to stare.”
Tips: The phrase sounds natural in texts and casual conversations.
40. You’re Seriously Gorgeous
Definition: This expression combines casual language with a strong compliment.
Usage rule: Use it when you want to sound spontaneous and enthusiastic.
Practical example: “Wait, you’re seriously gorgeous in that photo.”
Tips: “Seriously” makes the compliment sound conversational rather than rehearsed.
41. Who Gave You Permission to Look This Good?
Definition: This humorous compliment playfully exaggerates someone’s attractiveness.
Usage rule: Use it with someone who understands your sense of humour.
Practical example: “Who gave you permission to look this good at eight in the morning?”
Tips: It is particularly effective as a playful text message.
42. You’re Kind of Unfairly Attractive
Definition: This humorous expression suggests that someone’s attractiveness is almost excessive.
Usage rule: Use it only in casual, playful, or flirtatious conversations.
Practical example: “It’s honestly unfair how attractive you look in that picture.”
Tips: Keep the tone light so the joke does not sound awkward.
Unique and Meaningful Ways to Say You’re Beautiful
43. You Have a Beauty That’s Uniquely Yours
Definition: This compliment emphasises individuality rather than comparing someone with conventional beauty standards.
Usage rule: Use it when you want to celebrate someone’s distinctive appearance or personality.
Practical example: “You have a beauty that’s uniquely yours, and that’s what I love about you.”
Tips: This can feel more personal than generic compliments.
44. You’re Impossible to Forget
Definition: This phrase suggests that someone’s appearance or presence leaves a lasting impression.
Usage rule: Use it when someone has made a particularly strong impression on you.
Practical example: “There’s something about you that makes you impossible to forget.”
Tips: It can be romantic without directly mentioning physical beauty.
45. Your Presence Is Beautiful
Definition: This expression compliments the atmosphere, energy, and emotional effect someone creates.
Usage rule: Use it when you admire someone’s overall presence rather than just their appearance.
Practical example: “Your presence is beautiful; you make people feel welcome wherever you go.”
Tips: It is a thoughtful alternative for meaningful conversations.
46. You Have an Unforgettable Smile
Definition: This phrase focuses on the lasting impression created by someone’s smile.
Usage rule: Use it when their smile is one of the first things you notice about them.
Practical example: “You have an unforgettable smile. It changes the whole mood of the room.”
Tips: Personalising the compliment around a specific feature makes it more believable.
47. You Have a Natural Beauty
Definition: This compliment suggests that someone’s attractiveness appears effortless and authentic.
Usage rule: Use it when you admire an understated or natural appearance.
Practical example: “You have such a natural beauty that you don’t need anything extra.”
Tips: Be careful with comparisons involving makeup or appearance; focus on appreciation rather than judgement.
48. You’re Beautiful in a Way Words Can’t Explain
Definition: This emotional expression says that someone’s beauty is difficult to describe adequately.
Usage rule: Use it for romantic messages, special occasions, or deeply personal conversations.
Practical example: “You’re beautiful in a way words can’t explain, and I hope you always know that.”
Tips: This works best when you want the compliment to sound sincere and emotionally significant.
49. You’re One of a Kind
Definition: This phrase communicates that someone is unique, special, and impossible to replace.
Usage rule: Use it when you want to compliment individuality as well as attractiveness.
Practical example: “You’re one of a kind, and that’s what makes you so beautiful to me.”
Tips: Combining it with a specific quality makes the compliment more meaningful.
Placement & Grammar Rules Table
| Synonym or phrase | Sentence position / placement | Tone / formality | Example sentence |
| You look amazing | Usually at the beginning | Friendly / casual | You look amazing tonight. |
| You look lovely | Beginning or after greeting | Warm / polite | You look lovely in that dress. |
| You’re gorgeous | Beginning or standalone | Romantic / casual | You’re gorgeous tonight. |
| You’re absolutely stunning | Beginning or standalone | Strong / romantic | You’re absolutely stunning. |
| You’re radiant | Usually standalone or after observation | Elegant / warm | You’re radiant today. |
| You take my breath away | Usually after seeing someone | Romantic | You take my breath away every time. |
| You have timeless beauty | After introducing the subject | Elegant / poetic | You have timeless beauty. |
| You’re a vision of beauty | Standalone or descriptive sentence | Poetic / dramatic | You’re a vision of beauty tonight. |
| You’re beautiful inside and out | Standalone or closing sentence | Heartfelt | You’re beautiful inside and out. |
| You have a beautiful soul | Usually after discussing character | Emotional / sincere | You have such a beautiful soul. |
| Your smile lights up the room | Beginning or middle | Warm / affectionate | Your smile lights up the room. |
| You’re one of a kind | Beginning or conclusion | Personal / heartfelt | You’re one of a kind. |
How to Choose the Right Alternative
Consider Your Relationship
Definition: The relationship between two people influences how a compliment should sound.
Usage rule: Choose casual language for friends and more intimate expressions for romantic partners.
Practical example: Say “You look amazing” to a friend, but “You take my breath away” to a romantic partner.
Tips: When unsure, choose a warm but neutral expression.
Match the Situation
Definition: The occasion can determine whether a compliment should be casual, formal, romantic, or playful.
Usage rule: Match the intensity of your words to the setting.
Practical example: “You look elegant” works well at a formal event.
Tips: Avoid highly romantic language in professional or unfamiliar situations.
Focus on Something Specific
Definition: A specific compliment identifies the feature or quality you genuinely admire.
Usage rule: Mention a smile, outfit, style, confidence, or personality trait when appropriate.
Practical example: “Your smile makes the whole room brighter.”
Tips: Specific compliments generally sound more sincere than generic praise.
Think About Tone
Definition: Tone describes the emotional feeling communicated by your words.
Usage rule: Choose language that matches your intended emotional message.
Practical example: “You’re radiant” sounds elegant, while “How are you this gorgeous?” sounds playful.
Tips: Read the sentence aloud before sending it in a message.
Avoid Overdoing It
Definition: Overly intense compliments can feel unnatural when the relationship does not support them.
Usage rule: Keep the compliment proportional to your relationship.
Practical example: “You look lovely” may be better than “You’re the most beautiful person alive” in a new friendship.
Tips: Sincerity is more valuable than exaggeration.
Make It Genuine
Definition: A genuine compliment reflects something you actually noticed or appreciated.
Usage rule: Avoid using dramatic expressions simply because they sound impressive.
Practical example: “Your confidence really makes you stand out” feels more personal than a generic compliment.
Tips: Think about what specifically attracted your attention before choosing your words.
Respect Personal Boundaries
Definition: Respectful compliments acknowledge that not everyone is comfortable discussing physical appearance.
Usage rule: Pay attention to the relationship and context before commenting on someone’s looks.
Practical example: “You have such a confident presence” can be a respectful alternative to a strongly physical compliment.
Tips: When in doubt, compliment style, confidence, kindness, or personality instead.
Common Mistakes When Complimenting Someone’s Beauty
Using the Same Phrase Repeatedly
Saying “you’re beautiful” every time can eventually sound automatic. Try varying your language according to the situation. You might compliment someone’s smile one day, their confidence another day, and their overall presence on another occasion.
Making the Compliment Too Intense
Expressions such as “you’re the most beautiful person who has ever lived” may feel excessive, particularly when speaking to someone you do not know well. Natural compliments are usually more effective.
Ignoring the Context
A romantic compliment may be appropriate during a date but uncomfortable in a professional environment. Always consider your relationship, setting, and the other person’s comfort.
Focusing Only on Physical Appearance
Beauty is not limited to facial features or clothing. Compliments about confidence, kindness, personality, humour, style, and presence can feel more meaningful.
Giving Backhanded Compliments
Avoid statements that appear positive but contain criticism, such as “You actually look beautiful without makeup.” The word “actually” can unintentionally imply that you normally do not look attractive.
Comparing Someone With Others
Avoid compliments that put someone against another person. Saying “You’re prettier than her” may create discomfort rather than appreciation.
Sounding Rehearsed
A compliment should sound like something you genuinely mean. Using overly poetic language in an ordinary conversation can make the message feel unnatural.
Practical Example Paragraphs
Romantic Example
After a long day, sometimes a simple compliment can communicate more than a lengthy message. You could tell your partner, “You look absolutely stunning tonight, but what makes you truly beautiful is the way you care about everyone around you.” This combines physical admiration with appreciation for personality.
Friendly Example
If your friend is getting ready for an important event, a natural compliment could be: “You look amazing! That outfit really suits you, and your confidence makes the whole look even better.” This sounds encouraging without becoming overly romantic.
Text Message Example
A short message can still feel personal. Instead of simply writing “you’re beautiful”, you could say, “Just wanted to remind you that you’re gorgeous, and your smile can completely change my day.” This feels warm and affectionate without requiring a long conversation.
Heartfelt Example
When someone is feeling insecure, a thoughtful compliment can focus on more than appearance. You might say, “You’re beautiful just as you are. Your kindness, strength, and the way you make people feel valued are part of what makes you so special.” This provides emotional reassurance as well as admiration.
Poetic Example
For a romantic note or special occasion, a more creative expression may work better: “There’s something about you that words can never completely capture. You’re radiant, unforgettable, and beautiful in a way that feels uniquely yours.” The poetic style makes the compliment more memorable.
FAQs
What is another way to say “you’re beautiful”?
Some popular alternatives include “You look gorgeous,” “You’re stunning,” “You’re radiant,” “You look amazing,” “You’re incredibly attractive,” and “You have such a beautiful presence.” The best option depends on the relationship and tone.
How do you say “you’re beautiful” in a romantic way?
For a romantic situation, you can say “You take my breath away,” “I can’t take my eyes off you,” “You’re breathtaking,” or “You’re beautiful in every way.” These expressions communicate stronger emotional or romantic admiration.
What is a classy way to tell someone they are beautiful?
Elegant alternatives include “You’re truly elegant,” “You have timeless beauty,” “You have a graceful presence,” and “You have such a striking appearance.” These phrases sound polished without being overly casual.
How can I compliment someone’s beauty without sounding awkward?
Keep your compliment natural, specific, and appropriate for the relationship. Instead of using an exaggerated statement, mention something you genuinely noticed, such as their smile, style, confidence, or overall presence.
What is a cute way to say you’re beautiful?
Cute alternatives include “You look lovely,” “You’re absolutely adorable,” “Your smile is everything,” and “How are you this gorgeous?” Choose a phrase that matches the playful nature of your relationship.
How do you compliment someone without focusing only on their looks?
You can compliment their confidence, kindness, personality, smile, energy, or presence. For example, “Your kindness makes you even more beautiful” recognizes both appearance and character.
What is a poetic way to say someone is beautiful?
Poetic expressions include “You shine brighter than the stars,” “You’re a vision of beauty,” “Your beauty is captivating,” and “You’re beautiful in a way words can’t explain.” These are best suited to romantic messages, cards, or creative writing.
Is “you’re beautiful inside and out” a good compliment?
Yes. It is a meaningful compliment because it recognises both physical appearance and personal character. It is especially suitable when you want your words to communicate genuine appreciation rather than physical attraction alone.
Final Thoughts
Knowing other ways to say you’re beautiful allows you to make compliments more personal, natural, and appropriate for different situations. From simple phrases such as “you look lovely” to heartfelt expressions such as “you’re beautiful inside and out”, the right wording can make your message much more memorable.
The most effective compliment is not necessarily the most dramatic one. Choose words that genuinely reflect what you notice and appreciate, consider your relationship with the person, and let your tone match the moment. A sincere compliment will almost always have more impact than an exaggerated one.
