Watch the Trailer for Katy Perry's Part of Me!

"Thank you for believing in my weirdness!" she says in the 3D concert flick, which hits theaters July 5

This article originally appeared on Usmagazine.com: Watch the Trailer for Katy Perry's Part of Me!

Source: http://www.usmagazine.com/entertainment/news/watch-the-trailer-for-katy-perrys-part-of-me-2012245

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