Justin Bieber celebrated his 21st birthday on Saturday night, Feb. 28, with a big party, where rumored girlfriend Hailey Baldwin was in attendance.

Justin Bieber Turns 21

Bieber reportedly celebrated his birthday by renting out a private Carribean island for the weekend, inviting friends and family along to help him kick off his first official year of being legally allowed to consume alcohol.

Bieber updated fans on his birthday progress via Twitter in a series of Tweets on March 1st – his actual birthday.

Grateful to be alive!!! Love u!!! 21

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— Justin Bieber (@justinbieber) March 1, 2015

I love everybody! #21

— Justin Bieber (@justinbieber) March 1, 2015

Thanks for all the birthday love. Grateful for everything. Let’s be better this year. Thanks

— Justin Bieber (@justinbieber) March 2, 2015

Bieber also tweeted a link to a short video of his birthday celebrations, which feature him shirtless, spinning with a bottle of champagne in one hand, surrounded by friends carrying sparklers, while 50 Cent’s “In Da Club” playing in the background.

While famous close friends, Kendall and Kylie Jenner appear to have been absent from the festivities, Bieber’s rumored girlfriend, Hailey Baldwin, was in attendance and shared a hug with the birthday boy.

21

A photo posted by Hailey Baldwin (@haileybaldwin) on Feb 28, 2015 at 8:10pm PST

Celebs Wish Justin Bieber A Happy Birthday:

@JustinBieber happy bday buddy…miss the days when u wore a perfectly round bowl of hair on your head pic.twitter.com/ELlodxUEaP

— Ryan Seacrest (@RyanSeacrest) March 2, 2015

Happy birthday, @JustinBieber! I can’t wait for “Bieber Be Ballin’” to open in theaters.

— Ellen DeGeneres (@TheEllenShow) March 1, 2015

Happy Birthday @justinbieber ~ found this old pic of us and smiled! Hope this year is the best yet!

A photo posted by Carly Rae Jepsen (@carlyraejepsen) on Mar 1, 2015 at 7:05pm PST

Where did the time go? Happy birthday my guy. Big 21. I don’t remember mine. Haha. Have fun. Proud of u @justinbieber

A photo posted by Scooter Braun (@scooterbraun) on Feb 28, 2015 at 8:42pm PST

this is a very very very very special day for all of us. #HappyBirthdayJustinBieber

— Frankie James Grande (@FrankieJGrande) March 1, 2015

Fans also took over Instagram to wish the Biebs a happy birthday, with #HappyBirthdayJustinBieber becoming a trending topic on Twitter.

Boy. I adore you ♥ @justinbieber #HappyBirthdayJustinBieber pic.twitter.com/kIxaAzKh7i

— Edith Castañeda † (@EdithYuleidys6) March 2, 2015

To cap off Bieber’s birthday weekend, the singer also released new music with Diplo and Skrillex.