Justin Bieber Parties Shirtless on His 21st Birthday - Photos & Video!

Justin Bieber poses shirtless with his model pals Hailey Baldwin and Yovanna Ventura in these new photos from his birthday party last night (February 28).

The singer turned 21 years old today! Happy birthday, Justin! Check out some of his party photos below!

PHOTOS: Check out the latest pics of Justin Bieber

The party took place on a private island and there’s a video of Justin drinking champagne while celebrating with his pals – check out the video from TMZ below. The party was held on a Caribbean island near Grenada and it looks like Justin had a blast!