Sean ‘Diddy’ Combs’ 39th Birthday Party

Diddy celebrated his 39th birthday (and Barack Obama’s presidential win) with a star-studded party at Mansion NYC on Wednesday night. Jay-Z, Mary J. Blige, Cassie, Keyshia Cole, Doug E. Fresh, and actor Ben Stiller were among those in the house.

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Photos (top to bottom): Ne-Yo and Mary J. Blige, Keyshia Cole, Cassie, MJB and Ben Stiller, Doug E. Fresh and Diddy.