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57+ Best 21st Birthday Captions for Instagram

57+ Best 21st Birthday Captions for Instagram
Keep calm and sweet 21 on.

It took 21 years to get this awesome.

Finally 21 and legally able to do everything I’ve been doing since 16.

Cheers and beers to my 21 years.

Cheers to 21 years.

21st birthday is good beer, hot girls, party and police.

If you wanna nail your 21st birthday, you gotta get hammered.

Yes, I’m finally 21 years old. And yes, you can see my ID.

Happy 21st! I hope this coming year is full of fun surprises and unique experiences.


I have mixed drinks about turning 21. - 21st Birthday Captions for Instagram

I have mixed drinks about turning 21.

Turning 21 is nothing to wine about.

Welcome to 21! You’re old enough to have some real fun and young enough to really enjoy it. Party time!

Happy 21st birthday! You’ve finally made it through a fourth of your life. Enjoy the remaining three fourths to the max!

Start from the bottom now I am 21.

Yes, I become 21.

It’s your 21 birthday and its time to celebrate to the fullest.

Still 21 with 5 years of experience.

Look who’s turning 21! Time to have some fun.

Want to see my I.D.?


Congratulations on 21 years of awesomeness… and counting. - 21st Birthday Captions for Instagram

Congratulations on 21 years of awesomeness… and counting.

It’s my 21st birthday! Now I can do all the things I was already doing, but wasn’t supposed to be.

In dog years, I’m only 7!

You are 21, one-fifth of a century, plus one, four more to go. May you live long to be toothless.

21 and ready for fun.

Yes, 21 Babbbyyyyyy…!

It’s my 21st birthday, pass the booze.

At 21 everything is possible and tomorrow looks friendly.

21 and brewed to perfection.

Why yes, you can see my ID.


Being 21 is nothing to wine about. - 21st Birthday Captions for Instagram

Being 21 is nothing to wine about.

I have mixed drinks about these feelings.

I’m 21 and hot, so buy me a shot.

There’s a thirst time for everything.

21 years of being this fabulous.

21 looks pretty and good to me.

Tonight, I’m only chasing drinks and dreams.

21 and legal. Proceed with caution.

Party girl, cheers, celebration.

21 and oh so fun.


Turning 21 today. - 21st Birthday Captions for Instagram

Turning 21 today.

R.I.P. to my fake I.D.

I.D. love a drink, thanks!

You’re 21! Now you can legally do everything you’ve been doing all along!

I’ve waited 21 years for this moment. Somebody bring the Champagne!

Welcome to age 21 – the most fun age in the universe! Happy birthday!

I’m officially saying goodbye to my childhood and diving into adulthood. Hello, 21!

I’m finally 21! Now it’s really time to party!

I can’t keep calm, it’s my 21st birthday!

Hakuna Moscato: It means no worries on your 21st birthday.


21 looks good on me. - 21st Birthday Captions for Instagram

21 looks good on me.

Just so you know, this is what 21 and awesome looks like.

On cloud wine!

On this day, 21 years ago, the world became a better place.

It’s my 21st birthday. I guess there’s a thirst time for everything.

It's my 21st birthday, and I can wine if I want to.

I’m 21 and fun.

Now we sip champagne when we thirsty.