Happy birthday to Nick Jonas! The youngest Jo Bro – a Virgo born Nicholas Jerry Jonas— is celebrating his milestone 21st birthday today (Sept. 16). Since he is infinitely adorbs, we scoured his Instagram feed and pulled the best, cutest and funniest photos that he has shared with fans over the past year or so.

Jonas always looks handsome, with his clean cut good looks, baby face and curly mop of hair. He also uses his Instagram feed as a method in which to keep fans updated and informed about what's going on in his busy and exciting life.

Whether hanging with his grandpa, his older brothers Kevin and Joe or working out and showing off his abs, Nick Jonas always looks good!

Without further ado, let's enjoy this Nick Jonas scrapbook -- Nickstagrams, if you will!

Good times at the U.S. Open.

With Joe's ex Demi Lovato. They'd be a cute couple, wouldn't they?

The abs heard 'round the world. Are those real?

That body comes with loads of hard work.

On the plane to Beantown. That's a tight squeeze.

On a boat.

With grandpa!

Grandpa 2.0! We see where the Bros. Jonas got their good looks.

Chillin' in Russia and with a skully on his head.

'Stache!

No hippies...wait, what?

He's a baller!