Katy Perry kicked it with Facebook creator/founder Mark Zuckerberg, Nicki Minaj donned a gumbi wig, Justin Bieber played dress up, Christina Aguilera made kissy faces, Jennifer Lopez got her behind “Off The Floor” for a picture, Prince and Jimmy Fallon rocked out and Keri Hilson serenaded Quentin Tarantino. It all happened this week and we’ve got the pics to prove it.
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