Katy Perry Mentions Rob While Talking About LA Premiere After Party

Katy was thrilled to be in Australia for the premiere of the film, but we had to ask her what it was like partying with Justin Bieber, Selena Gomez and Robert Pattinson after her LA screening.

She told thehothits.com, "There wasn't really any partying, cause when I party I party! I party like Andrew W K style, I crowd surf!"

"But no we were just hanging out, I love Selena and we have a lot of mutual friends and Justin's always been so nice to me and Robert somehow got stuck in all of this!"

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