Robert Pattinson, Katy Perry, Justin Bieber and Selena Gomez (not pictured) party together after the premiere of Katy Perry's new documentary on June 26, 2012. The celebs hit up the Chateau Marmont and the the new club Bootsy Bellows.
She’s ready for the summer!
Work it, girl.
Bad Girl RiRi? More like Braless RiRi.