Sean “Diddy” Combs and his man bitch, designer Zac Posen celebrated his making the cover of L’Uomo Vogue Music Issue at a party last night in NYC. B and C-listers Cassie, Eve and Jay Z joined Sean and Zac to toast his achievement. Cassie is in the studio with Pharrell Williams and Rodney “Darkchild” Jerkins working on tracks for her sophomore album, scheduled for a spring 2009 release. We know you can’t wait for that!

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