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20 Celebrity Nights Out You Wish You'd Be On
18 year-old Justin may not be able to drink in the US yet but that doesn't mean the worldwide superstar doesn't know how to have a good time. The 'Boyfriend' singer was clearly in demand after the premiere of Katy Perry's new film Part Of Me 3D, when he, girlfriend Selena Gomez and Katy herself were spotted bundling themselves into a car ready to head off to a secret after-party. Twilight hunk Robert Pattinson was memorably locked out of the car, much to his embarrassment, before the actor joined the pop stars on their adventurous night out.