The special occasion of turning 21 deserves special Instagram captions to be shared with the social media world!
If you or someone close to you is a 21-year-old celebrant, here are the best 21st birthday captions to add to those awesome 21st birthday pictures and selfies.
So, if you’ve been searching for some good caption ideas for the 21st bday, search no more because you’ll find the most awesome ones right here!
I’ve got loads of cute birthday Instagram captions, as well as plenty that will make you giggle.
From 21st birthday captions for yourself to caption ideas for your 21-year-old friend, we have it all.
You can use these 21st birthday captions on Instagram as well as on other social media sites such as Facebook and TikTok.
They are also perfect for being sent as birthday messages to your loved ones.
Without further ado, let’s jump right into my awesome list of 21st birthday captions!
10 Best 21st Birthday Captions
1. I sparkle like a birthday candle.
2. Celebrating this big day with all my favs.
3. Cheers to good friends, good vibes, and another 21 years.
4. Hugs and kisses and a lot of birthday wishes.
5. Congrats on not having to use your fake I.D. any more.
6. Every day I sparkle, but today I rule.
7. Why, yes, you can see my ID.
8. Tonight begins the first of many, many poor decisions.
9. Welcome to the roaring 20s!
10. Older? Definitely. Wiser? …mmm debatable. Happy birthday!
21st Birthday Instagram Captions
1. Bring out the cake and blow up the balloons. My big day is today!
2. Be good to me, 21.
3. My day, my way.
4. Birthday behavior!
5. Well, look who just turned 21…
6. POV: You can’t believe I’m 21 now.
7. Cheers and beers to 21 years.
8. Hakuna ma’vodka — It means no memories for the rest of your night.
9. Sassy since birth.
10. 21 – time to make some pour decisions.
11. Time to see what 21 is all about.
12. Yeti or not, it’s your 21st birthday.
13. Time to par-tea!
14. Nothing holds a candle to you.
15. You’re 21 years old, but I do not carrot all.
16. 21 years of sass.
17. Don’t wanna be sappy, so… let’s just say 21 is already one for the books.
18. Hello, 21.
19. Can’t wait to tell our kids one day about how awesome and hot we were at 21.
20. Staying 21 until further notice.
21. You take the cake.
22. On a scale of 1-10, feeling a solid 21.
23. On this day, a queen was born.
24. Some only dream of birthday cake, and others bake it happen.
25. Lap 21 around the sun…
26. Experience level: 21.
27. So this is 21.
28. Here’s to another great year! May your 21st year be filled with dreams realized, friends made, and happiness aplenty. Happy birthday!
29. So this is where aging ends, right?
30. Season 21, Episode 1.
Cute Birthday Instagram Captions
1. I’m shawty, and it’s my birthday.
2. You have 21 bottles of beer to drink. I hope you have already started.
3. Cheers to another lap around the sun. Hello, 21.
4. I doubt tequila is the answer, but it’s worth a shot.
5. Here for cake, and cake only.
6. O.K., you know that what happens on the 21st b-day stays on the 21st b-day.
7. So you’re spaghetting older.
8. 21: Wild and free.
9. Go ahead, cake my day.
10. Age 21 but forever the baby of the group.
11. Chapter 21, Page 1.
12. Here’s to a soup-er 21st birthday!
13. And so begins Chapter 21.
14. Turning 21 is a big day! Holding your very first I.D. is very cool.
15. Wow, never been 21 before.
16. It took 21 years to get this awesome.
17. Say hello to the world’s latest 21-year-old.
18. Hey, Siri, count the candles.
19. At 21, everything is possible, and tomorrow looks friendly.
20. Just like wine, better with time.
21. I’m not getting older. I’m getting better.
22. Your 21st birthday comes along with great responsibility. You’re responsible for not getting too drunk.
23. Keep calm and sweet 21 on.
24. Another year, another candle on the cake.
25. I’m just here for the birthday cake.
26. Achievement unlocked: 21.
27. 21 looks pretty and good to me.
28. Twenty-one is a super important milestone birthday event. It means you have less than 80 years to hit 100.
29. Favorite day of the year.
30. Wouldn’t trade it for the world, I’m 21 now.
21st Birthday Captions For Yourself
1. Happy birthday, dear self. I’ve known you my whole life.
2. The only things getting LIT today are the candles on my cake!
3. Birthdays are good for me. The more I have, the longer I live.
4. Who wants to see my ID?
5. Thank you, mom, for giving birth to this wonderful child.
6. Hip, hip, hip, hurray! It’s that special day of the year once again.
7. I can’t keep calm, it’s my birthday.
8. I hope the birthday cake is as sweet as me.
9. It’s my birthday, so I’m celebrating everything.
10. I didn’t choose this birthday, this birthday chose me.
11. Today is a great day because it’s my birthday!
12. Gonna party like it’s my birthday…’cause it is.
13. Glory is to God I am plus one today. It’s just 20+1.
14. So, I’m looking for someone to do my taxes for me this year. Happy 21st birthday to me!
15. Of course, I don’t know how to act my age. I’ve never been to this age before!
16. I’m grateful for life and for growth. I wish myself a happy birthday.
17. I’ll enjoy the best of today and laugh like never before because it’s my 21st birthday.
18. The thing is I love birthday celebrations, but only when they’re mine.
19. I don’t know about you, but I’m feeling 21.
20. Getting older, but my inner child is ageless.
21. Cheers to a day as special as me.
22. I wish myself a happy 21st birthday because I am the definition of awesomeness. Self-love!
23. 21 and oh so fun.
24. Cheers to the one day of our lives when we actually celebrate getting old. Happy 21st birthday to me.
25. Happy birthday to the smartest person in this world, Happy birthday to me!
26. Nothing can stop me this year.
27. Today is the day when I cried, and my mother smiled. Happy birthday, mother’s lovely child.
28. Cheesin’ because I’m 21!
29. Life’s too short not to celebrate every chance you get! Happy 21st birthday to me!
30. Heaven has been really good to me by adding another year to my age.
See also: 160+ Unique Birthday Quotes For Self To Celebrate You!
21st Birthday Captions For Friend
1. Dear friend, I hope your 21 birthday is 21-derful!
2. Turning 21 with the best support system in the world. Thanks for making the past 21 years so unforgettable!
3. Helping this one ring in 21. Cheers to another lap around the sun!
4. Happy 21st to my sweet friend. I’m so proud of you for all the cool things you’ve accomplished in life so far, and I can’t wait to see what the next year has in store!
5. How good is 21? It’s only the best age of all time. Enjoy your birthday, friend!
6. Thanks for letting me bother you for the past 21 years.
7. Let’s taco ‘bout your 21st birthday.
8. Baddie since [insert birth year].
9. What goes up must come down — in this case, the best 21st I could ask for. Cheers to your crazy, fun, quirky years!
10. 21, and you’ve never looked better. Here’s to you!
11. Can’t believe you’re 21. Here’s to another year of amazing memories.
12. Happy birthday to the only person I would rescue in the event of a zombie apocalypse!
13. Oh, ship, it’s your 21st!
14. Your 21st birthday cake brings all the boys to the yard.
15. Happy 21st. You’re legal, but you never stopped being our baby. We’ll always love you.
16. Celebrate the sweetest person you know by being the sweetest version of yourself. Happy 21st birthday to my sweet friend!
17. 21 has never looked this good. Happy birthday, friend.
18. Celebrating your 21st is a piece of cake.
19. I got you popcorn for your 21st birthday because you’re poppin.
20. Some things really do get better with age… Happy 21st birthday!
21. Happy 21st birthday. You’re one in a melon.
22. Who knew 21 could look this good? Aging looks good on you.
23. Say hello to my new favorite 21-year-old.
24. We’ve come full circle; you started life as my little sidekick, and now you’re all grown up. I love you to the moon and back. Happy 21st birthday.
25. Sending you s’more birthday wishes.
26. Today, you’re 21, but now that you’re a year older, you can finally wear cool adult underwear. Here’s to another year of an awkward stage. Happy birthday!
27. 21 years of being your favorite pain in the butt. Here’s to 21 more.
28. Dim-sum body say it’s your 21st birthday?
29. Adulting is more fun when you have friends who know all the good uses of a potato masher. You wouldn’t believe some of the things this thing can do! Happy 21st birthday to you, my dear friend.
30. 21 years can’t even come close to measuring up to all the great memories we’ve already shared. Happy birthday!
See also: 180 Heart Touching Birthday Wishes For Friend You Adore
21st Birthday Captions For Selfies
1. Here’s to another 365 days of being fabulous.
2. I think 21 looks good on me.
3. Celebrating another level up.
4. Another year, another selfie.
5. Birthday mode: the youngest I’ll ever be and the oldest I’ve ever been.
6. Getting badder with age.
7. Aging and raging.
8. Found my birthday crown.
9. Would it really be my birthday if I didn’t take a selfie?
10. 21. Serving cake and serving looks.
11. 21? Bring it on.
12. You really gonna scroll without wishing me a happy 21st birthday?
13. Make a wish.
14. Waited for 662,256,000 for this.
15. Always been a savage, and now I’m 21.
16. That birthday glow.
17. Bday wish for the bday bish?
18. It only took 21 years to get this cute.
19. 21 21 21 21 I feel like 21.
20. Growing and glowing.
21st Birthday Captions For Pics
1. 21 is looking pretty good with this crew by my side.
2. Age is just a number, but friends like these are forever. Thank you all for helping me ring in 21.
3. They say the best present is presence, but I’m loving all of these 21 gifts!
4. Another lap around the sun with the best people I could have ever asked for. Here’s to 21!
5. Can’t wait to see what 21 will bring with these beauties by my side.
6. Start of season 21 with the best co-stars I could have ever asked for.
7. Grateful to have found my people by Age 21.
8. Excited for Chapter 21 with this crew on my side.
9. Thankful to be ringing in 21 with the best people I know.
10. Birthday wish? Already come true with this crew on my side.
11. The best birthday gift of all is having my loved ones by my side while sharing year 21 with me; this sure is a close second, though!
12. Feeling unstoppable at 21 with this crew by my side.
13. These beauties are the only gift I need.
14. Having a pitcher-perfect birthday.
15. Turning 21 with the best friends anyone could ask for.
16. We’re all just here for the birthday cake. The real 21st birthday party is at the club tonight!
17. Ringing in 21 with the best crew.
18. Making memories with this crew… 21 is already off to the best start I could have ever asked for.
19. Wouldn’t want to turn 21 with anyone else by my side.
20. I’m on cloud wine with my homegirls!
Funny 21st Birthday Captions
1. Tripping on my own feet for 21 years. Here’s to many more years of clumsiness.
2. Got so distracted by the cake I forgot it was my own birthday.
3. Agent of chaos for 21 years.
4. Been pre-gaming for 20 years for this moment.
5. 21! The one night you don’t get carded!
6. Finally, 21! It only took me 3 years to realize my adulting game was weak.
7. Another year older, but I’ll need some extra time for that ‘wiser’ bit.
8. As a twenty-one-year-old, you should know whether 21 is a prime number or not. If you don’t know, you might have to ask someone younger, because the rest of the adults can’t remember school.
9. Officially 21, but still mentally about five.
10. Made it to 21! I know. I’m as surprised as you are.
11. Be careful what you wish for… My parents wished for me 21 years ago, and look where that ended up.
12. Shoutout to my mama, who was in labor 21 years ago.
13. Congrats. Now you can legally do everything you’ve been doing since you were 15.
14. Today, we say goodbye to a true friend – the fake I.D.
15. I don’t care how old I’m turning, so long as there’s cake.
16. You have been waiting for 21 years to be able to drink some alcohol. Hmmm. I know you didn’t! Happy 21st birthday!
17. 21 years later, and I’m still a hot mess.
18. Today is not for whining, it’s for winning!
19. 21! Who cares? I just want cake.
20. I’m 21 now, but age gives no guarantee of maturity.
21. 21 is so fun I think I’ll repeat it again next year.
22. After today, I’m celebrating my birthday in dog years.
23. On this day 21 years ago, the world became a better place.
24. Finally, 21 – now go out there and make some regrettable decisions.
25. Happy 21st Birthday! We honestly can’t believe you made it this long.
26. Your youth has officially expired. Happy 21st Birthday.
27. I’m glad you don’t have to beg strangers to buy you beer anymore. Happy birthday!
28. Here’s to a night you’ll never remember! Happy 21st!
29. Happy 21st anniversary of your escape from the womb.
30. For your 21st birthday, my present is not taking any pictures of you tonight.
More 21st Birthday Captions For Instagram
1. Chapter 21. Time to make some memories.
2. It’s no time to be 21.
3. Cheers to pour decisions on my birthday.
4. We only got one year to be twenty-one, twenty-one, twenty-one. One more baby, have some fun.
5. The party doesn’t start till I walk in.
6. Hakuna Moscato: It means no worries on your 21st birthday.
7. Today is the day! You can finally “hit me with your best shot.”
8. I want to thank everyone for my special 21st birthday, come and join me as I celebrate it.
9. Yes, I have become 21.
10. Finally, legal. Proceed with caution.
11. It’s time to rhyme because 21 is for fun!
12. Don’t chase anything except drinks and dreams.
13. Sweet 21 will be filled with fun!
14. Leveling up my adulting game. 21 and having fun.
15. May the odds of remembering your 21st birthday be ever in your favor.
16. Let the celebrations begin.
17. Got that birthday vibe feeling.
18. Cheers and beers to 21 years!
19. Turned my birthday into a lifestyle.
20. Just because you only turn 21 once doesn’t mean you have to remember it.
21. Yay! You can finally use your own ID! Happy 21st.
22. Enjoy the last useful birthday. Happy 21st!
23. It’s my 21st… I’ll wine if I want to.
24. I have mixed drinks about turning 21.
25. Woke up a little older… but not wiser.
26. Everybody wants to be twenty-one, full of life and life full of fun.
27. Turning 21 is nothing to wine about.
28. (Legal) cheers to finally being 21!
29. Started from the bottom, now I am 21.
30. 21 is the age of responsibility. Give it a few months, and you will be wondering why you were in such a hurry to get here.
21st Birthday Quotes To Use As Instagram Captions
1. “My life is better with every year of living it.” — Rachel Maddow
2. “You are only young once, but you can stay immature indefinitely.” — Ogden Nash
3. “The older you get, the better you get, unless you are a banana.” — Betty White
4. “Why is a birthday cake the only food you can blow on and spit on, and everybody rushes to get a piece?” — Bobby Kelton
5. “When a man is tired of life on his 21st birthday, it indicates that he is rather tired of something in himself.” — F. Scott Fitzgerald
6. “I intend to live forever. So far, so good.” — Steven Wright
7. “At 16, you can drive. At 21, you can have a cold one. Do both at the same time, and your present might not have a future.” — Greg Tamblyn
8. “You don’t get older, you get better.” — Shirley Bassey
9. “Count your age by friends, not years. Count your life by smiles, not tears.” — John Lennon
10. “The way I see it, you should live every day like it’s your birthday.” — Paris Hilton
11. “Birthdays are nature’s way of telling us to eat more cake.” — Edward Morykwas
12. “You were born an original. Don’t die a copy.” — John Mason
13. “Don’t just count your years, make your years count.” — George Meredith
14. “A birthday is like a new year, and my wish for you is a great year full of happiness and sunshine!” — Catherine Pulsifer
15. “There is still no cure for the common birthday.” — John Glenn
16. “Put candles in a cake, it’s a birthday cake. Put candles in a pie, and somebody’s drunk in the kitchen.” — Jim Gaffigan
17. “Birthdays are good for you. Statistics show that the people who have the most live the longest.” — Larry Lorenzoni
18. “The best birthdays of all are those that haven’t arrived yet.” — Robert Orben
19. “Your birthday is the beginning of your own personal new year. Your first birthday was a beginning, and each new birthday is a chance to begin again, to start over, to take a new grip on life.” — Wilfred Peterson
20. “From our birthday, until we die, is but the winking of an eye.” — William Butler Yeats
Thank you for taking the time to read my collection of 21st birthday captions.
As you now have all these great caption ideas, be sure to snap as many bday pics as you can.
And with the 21st birthday selfie captions from this article, a few selfies are a must!
Also, be sure to read more content on our page, as we have covered some really great topics that you shouldn’t miss.
Until next time!
Read next: 160 Adorable 22nd Birthday Quotes You Will Absolutely Love