This weekend had a huge lineup in Las Vegas as celebrities invaded Sin City.  Thursday, actor Bryan Greenberg from HBO shows Bride Wars and Victor Slezak partied at The Bank to see Gaga Wars.

Friday, Jackson Rathbone from the hit movie Twilight celebrated his birthday at The Bank with his band members 100 Monkeys.

Saturday night Jet nightclub had rapper and reality TV star Ray J hosting  before he jumped on the mic with Too Short and had the crowd going wild.

Photos courtesy of The Light Group.

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