It's finally happened.
After years of preparation, Justin Bieber has reached the ripe old age of 21.
socialite singer rang in his birthday on a rented out island in the Carribean on Saturday.
[ Related: JB Got A '65 Lincoln For His 21sty Birthday! ]
From Vines and Instagrams alone, we're fairly sure there was a TON of alcohol involved in the festivities… which really isn't anything new.
But hey, at least it's legal now!
Happy Birthday, Justin!
Ch-ch-check out some video of shindig (below)!!!
[Image via Justin Bieber/Shots.]
Tags: 21, alcohol, birthday, justin bieber, party poppin'