PHOTOS: Birthday Girl Katy Perry's Quirkiest Twitpics

As the fun-loving pop star celebrates her 27th birthday on Oct. 25, look back at some of her wackiest photos from Twitter (15 Photos)

Lindsay Hahn on Oct 21, 2011 at 12:54PM

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PHOTOS: Birthday Girl Katy Perry's Quirkiest Twitpics

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PHOTOS: Birthday Girl Katy Perry's Quirkiest Twitpics

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