What gives Katy Perry?! After her star-studded movie premiere last night for Part of Me, Katy and her crew—including Justin Bieber and Selena Gomez—were partying it up at LA's swanky Chateau Marmont, but when they hit the road in a giant limo-bus, vampy-hot Robert Pattinson momentarily had the door slammed on his face!

Credit: TMZ Photo: Robert Pattinson Not Invited to Party With Katy Perry and Her Crew?? (VIDEO)

Ever the good sport, R-Patz was all smiles as he momentarily had to tread water out in the sea of paparazzi (known to be even more vicious than sharks). Not to worry though: as the video shows, the cutie Brit eventually got in and was with the cool kids again. Phew!

Source: TMZ

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