Taylor Lautner was spotted in New York filming his new movie Tracers.
As you may have heard, Katy Perry spent the afternoon before the European premiere for her movie Part Of Me with MSN, as she used the power of Skype to chat to fans from all over the world.
So it's no surprise she was super-excited as she walked down the pink (not red!) carpet on her big night at London's Leicester Square to the sound of thousands of screaming fans.
The singer-turned-movie star showed off her fabulous physique in a Marchesa dress with a tutu frill at the bottom, all glitter and gold - just like her personality as we learned first-hand!
Part Of Me explores Katy's life during her world tour last year and also gives fans a real insight to her divorce from Russell Brand.
"It's an exclusive, all-access part of me, almost like you're on tour with me all of last year," Katy told us.
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