Katy Perry Prepares for Battle in 'Part of Me' ...
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Katy Perry Prepares for Battle in 'Part of Me' Video Trailer Mar 16th 2012 6 ...CambioMar 16th 2012 6:37PM Katy Perry is ready to unveil her new video for 'Part of Me,' and now the pop star has released a teaser trailer, which proves the singer is one tough cookie.
