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American Music Awards 2013 -- Best and Worst Dressed -- Taylor Swift, Miley Cyrus, Katy Perry, Gaga

Lady GaGa and Katy Perry together (GaGa Vision)

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Celebrities Dramatically Read Katy Perry Tweets at the Emmys

David Blaine: Real or Magic with celebrities [katy perry, Kanye Will Smith..] ABC AMAZING

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Lady Gaga and Katy Perry Leaked | DAILY REHASH | Ora TV