Best 21st Birthday Captions, Sayings, Quotes and Wishes

Your 21st birthday is a special occasion that marks your first step into adulthood. While you should take the opportunity to enjoy this milestone, you should also want everyone else to do so too! A great way to boost everyone's moods is by sending celebratory Instagram captions, wishes and quotes.

In this article, I will provide you with 21st Birthday Captions, wishes and quotes for you to share in a witty and heartfelt way. Whether your friend is turning 21 or it's your own celebration, these captions are sure to generate plenty of Instagram likes!

Finally, we all know that birthdays can be stressful, so I've put together an extra section with some advice on how to make it easier. With these tips and tricks, you'll be ready to celebrate in style!

Best 21st Birthday Quotes Sayings Wishes Captions

Top 21st Captions Of 2023

  1. “Finally, I can legally do all the things I've been doing illegally for the past 21 years.”
  2. 21 years old and still can't adult properly.
  3. “21 years young, but feeling like a teenager again.”
  4. 21 years old and still waiting for my Hogwarts letter.
  5. “I've officially peaked at 21, it's all downhill from here.”
  6. “21 years old and still trying to figure out what I want to be when I grow up.”
  7. “21 years of existence and my mom still has to remind me to do my laundry.”
  8. “21 and finally legal to do all the things my fake ID used to get me into.”
  9. “21 years old and still can't spell ‘definitely' correctly.”
  10. “21 and feeling like a real adult…until I remember I still live with my parents.”

Best 21st Birthday Quotes Sayings Wishes Captions

Funny 21st Birthday Captions

write a list of funny 21st birthday captions 1. “21 and legal to do all the things I've been doing since I was 16!”

2. “Finally 21 and ready to party!”

3. “Cheers to 21 years of awesomeness!”

4. “21 looks good on me!”

5. “It's my birthday, so let's get lit!”

6 . “21 and ready to shine!”

7. Let's get this 21st birthday party started!

8. “Making 21 look good!”

9. “21 and fabulous!”

10. “It's my 21st birthday and I'm feeling blessed!”

11. “Sip sip hooray to a happy birthday”

12. “21 and ready to take on the world!”

13. “Living my best life at 21!”

14. “Making 21 look even better!”

15. “Let's celebrate my 21st birthday in style!”

16. “Here's to a wild and crazy 21st birthday!”

17. “It's time to party like I'm 21!”

18. “21 and ready to make some memories!”

19. “Let's raise a glass to my 21st birthday!”

20. “Time to celebrate my 21st birthday in style!”

21. “Living life one day at a time, starting with my 21st birthday!”

22. “It's my 21st birthday and I'm ready for the adventure ahead!”

23. Celebrating my special day with all my faves

24. “21 and ready to take on the world!”

25. “Celebrating 21 years of awesomeness!”

26. “It's my 21st birthday and I'm feeling blessed!”

27. “Cheers to 21 years of life!”

28. “Ready for a wild night on my 21st birthday!”

29. “Let's make this 21st birthday one to remember!”

Best 21st Birthday Quotes Sayings Wishes Captions

21st Birthday Wishes

21 is an important year, so it's time to celebrate! Whether you are celebrating the 21st birthday of a friend or family member, here are some of the best 21st birthday wishes you can use.

1. “Happy 21st Birthday! May this special day bring you joy and luck as you embark on the next chapter of your life.”

2. “Happy 21st Birthday! Wishing you every happiness in your new adult life.”

3. “May your 21st birthday be one to remember and pave the way for an even more amazing future! Happy B-Day!”

4. “Welcome to adulthood! Celebrate wisely, and don't let turning 21 stop you from achieving all that you dream of doing!”

5. “Congratulations on entering into adulthood – step confidently into this exciting adventure with more enthusiasm and optimism than ever before!”

6. “You have made it past 20 & are now ready to explore life as a legal adult! Today is all about celebrating YOU & your fabulousness!”

7. “Your 21st birthday is a huge milestone – make sure you enjoy each moment of it!”

8.”It's time to feel old before your time—you're now legally able to enter bars and buy alcohol on your own accord! Have fun, but remember to drink responsibly.”

9. “Happy 21st Birthday! May this special day bring you joy and luck as you embark on the next chapter of your life.”

10. “Wishing you a very happy 21st birthday! Here's to a year full of new experiences, adventures, and opportunities!”

Best 21st Birthday Quotes Sayings Wishes Captions

21st Birthday Quotes

1. “Your 21st birthday marks the beginning of greatness in your life – believe, dream and strive to reach for the stars.”

2. “This is your day to become the person you have always wanted to be; make it count!”

3. “Celebrate this new chapter of your life with joy, happiness and a promise to yourself that you will never give up on your dreams”

4. “21 years of age opens up endless possibilities for you – enjoy every single moment!”

5. “Every birthday is a milestone, but your 21st suggests that it could be one of the biggest ones yet! Make the most of it!”

6. “Age is just a number; 21 or 50 years old makes no difference – live life to its fullest!”

7. “Turning 21 means more time to laugh, love and embrace all of the people who matter most in your life”

8. “Cherish each moment because this day only comes once in a lifetime – Cheers to another year around the sun!”

9. “The best way to celebrate a 21st birthday is by staying true to oneself and loving each step along one's journey throughout life.

10. “Welcome adulthood with open arms – make memories and memories will always stay!”

11. “It's time to celebrate your 21st birthday! Here's to a year of new experiences, adventures, and opportunities!”

Funny 21st Birthday Quotes

Turning 21 is one of the joyous moments in life, and you want to make sure your friends, family, and loved ones know it! To help make the occasion memorable and special, here are some funny 21st birthday quotes to share with them.

  1. “21 years of age: Mature enough to know better but young enough not to care.”
  2. “21 today…they said that I’d been wise beyond my years until this very day…guess they were wrong after all!”
  3. “Sparklers on my birthday cake? You betcha! Time to celebrate turning 21! Let the party begin!”
  4. “At last I am no longer a pre-teen—— I am legally allowed to drink whatever I please, barf where I please and sleep in past noon on weekdays if I so choose! YAY!!”
  5. “Yes, the rumors are true: nothing beats being celebrating your 21st birthday with friends who love you as much as you love them….and booze.”
  6. “Welcome to the real world, where each day can bring surprises and raise your blood pressure. Happy 21st birthday!”
  7. “It took 20 years, but you finally made it to legal drinking age. Congratulations! Enjoy responsibly.”
  8. “At last! You are now an adult in all sense of the word: you can take responsibility for your actions – and their consequences! Have a very happy 21st birthday.”
  9. “Live life with no regrets on your 21st birthday because today is a milestone that you will never get again”
  10. “Happy 21st birthday! No need to pucker up, since you don't need a fake ID anymore to order a drink.”
  11. “21 is a time for celebration, but in reality it’s just the first year of being an officially adult!”
  12. 21st birthdays are like getting a gym membership- you get really excited but it's hard to follow through with using it.
  13. 3. “21 is the new 12 because this party is going to be wild!”
  14. “You realize how close adulthood actually is when you hit 21!”
  15. “It may not seem like a big deal now, but by age 21 everyone will be asking you what you want to do with your life.”
  16. “21 years ago, I was a wise old soul despite my young age… now I am just an old soul trying to pretend I'm still young at heart. -Happy 21st birthday!”
  17. “The things that once seemed so far away are coming closer every day; Happy 21st Birthday!”
  18. “Time for your first legal drink? Believe me, after this one…They won’t all be legal! -Happy 21st birthday!”
  19. “Welcome to the adult world–your passport has been stamped and you can finally travel here anytime.”
  20. “You may not always feel wise beyond your years, but you are certainly maturing faster than all your friends! -Happy 21st Birthday!”


Turning 21 is such an exciting moment in life, and one that should be commemorated with joy. Make sure your 21st birthday posts on social media are perfectly celebratory with a 21st birthday caption, quote or saying that fits the occasion just right. So toss up your hands and join in on the fun — happy 21st birthday!




Tab Winner

We are fun loving family that lives on a small farm and tries to be healthy. We are not fitness fanatics we are just trying to keep things simple especially with how busy our lives are. We have a few horses, a few dogs, and a young daughter along with a big extended family. Follow us on our journey. I hope you enjoy the website. If you have any questions, feel free to contact us. Please check back for updates!

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