43 Perfect 21st Birthday Instagram Captions for You to Slay Your Birthday Post

Briannah Rivera
·3 min read
21st birthday captions lead
43 Perfect 21st Birthday Instagram CaptionsDesign by Yoora Kim

So, you're finally turning 21 🥳. That's definitely one of the biggest birthday milestones! You're officially going to be a legal adult, which is a huge deal! So, of course, you have to announce it to the world with some super cute 21st birthday pics for Insta. And if you give a girlie an Instagram post, she's gonna need the *perfect* caption to go along with it. Ahead are the best 21st birthday quotes, song lyrics, and captions for you to slay your b-day Insta post.

🧁 Cute 21st Birthday Captions

a delicious celebration
fotostorm - Getty Images

  • Hugs and kisses and lots of 21st birthday wishes

  • Chapter 21 begins today

  • Still a dancing queen at 21 👸

  • 21 and fun

  • Serving cake and serving looks

  • 21 wishes

  • Chapter 21, page 1

  • Happy 21st birthday to me! 🥰

  • 21 has arrived! It's time to thrive

  • 21 looks pretty good on me

  • 21 years of being fabulous 💅

  • Cheers to 21 years

  • Est. [birth year]

🧁 Funny 21st Birthday Captions

young woman celebrating her 21st birthday illuminated with hard flash light
Manu Reyes - Getty Images

  • Go ahead and card me

  • Age is just a number...but this one is a big one!

  • 21? Who cares? I just want cake.

  • I can think of 21 reasons to party today

  • Why, yes. You can see my I.D.

  • I don't know about you, but I 'm feeling 21

  • I 'm shawty, and it's my birthday

  • Another year older, but I'll need some extra time for that wiser bit

  • Level 21: Unlocked 🔓

  • On a scale of 1-10, I 'm feeling a solid 21

  • It's a 21-derful day

  • Officially 21, but still feel like I 'm 16

  • Staying 21 until further notice

  • My birthday is today but I'll take presents whenever

  • Here for the cake 🎂

  • Wanna see my I.D.?

🧁 21st Birthday Quotes

excited friends enjoying with woman in birthday
Klaus Vedfelt - Getty Images

  • "The way I see it, you should live every day like it's your birthday." — Paris Hilton

  • "21 is that magical age when suddenly, all the things your parents taught you, whether you wanted to learn them or not, start to look like pretty good information." — Unknown

  • "21 is a terrific age, maybe the best. Too bad you can't be that old for the rest of your life." — Greg Tamblyn

  • "Being 21 isn't all it's cracked out to be. You have to start buying your own toilet paper." — Melanie White

  • "Wanna see my I.D.? I totally have it." — Jenna Rink, 13 Going on 30

  • "Turning 21 is a significant occasion for everyone, and it's proved to be quite a milestone." — Emma Watson

  • "21 is when you finally grant your parents their freedom." — Melanie White

🧁 21st Birthday Song Lyrics

the number of the balloon made of golden foil, the number twenty one on a pink background with sequins
Marina Gorevaya - Getty Images

  • "Go shawty, it's your birthday." — 50 cent, 'In Da Club'

  • "21, can you do sum for me? — Drake & 21 Savage, 'Rich Flex'

  • "I'll be 21 and fancy and free." — The Shirelles, 'Twenty-One'

  • "Woah, 21 and invincible. Woah, can't wait to screw this up." — Something Corporate, '21 and Invincible'

  • "I wouldn't trade it for the world, I 'm 21 now." — H.E.R., '21'

  • "21 years, I love everyone." — TobyMac, '21 Years'

  • "Come on Barbie, let's go party." — Aqua, 'Barbie Girl'

You Might Also Like