Justin Bieber, Jaden Smith, Kim Kardashian Party Together for Scooter Braun's Birthday (PHOTOS)

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Most of Hollywood's elite in music came out to celebrate music manager Scooter Braun's birthday Saturday in Hollywood. The man behind Justin Bieber held a bash at The Music Box and invited all his awesome friends along.

Justin, 17, hung out with Jaden Smith, 12, on the roof of the venue where they played...beer pong?

Nope, sources assure Celebuzz it was played with water. How cute!

Jaden, in a black tee, joined Justin, sporting a leather jacket, onstage to perform for Scooter. Bieber of course sang Baby, before announcing special guest MC Hammer.

The crowd, including Kim Kardashian and Paris Hilton, danced to "Hammer Time" before a sexy looking Adam Levine took the stage to perform. The girls, who were both out separately with girlfriends, also enjoyed when Usher came on stage to wow with some of his greatest hits. Guests were treated with Crumbs cupcakes, snacks from Sensible Portions, Pinkberry and a video game lounge from EA Sports.

He ran up from the crowd looking delicious in jeans and a white cut-off tee, performing some of Maroon 5's best tunes.

Sounds like such a fun night! Happy birthday Scooter!

Guests were treated with Crumbs cupcakes, snacks from Sensible Portions, Pinkberry and a videogame lounge from EA Sports.
 

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  • Nuria
    Nuria

    that envy