The Prince prepares to talk about his latest endeavor in London. Plus: Katy Perry, Gwyneth Paltrow, Vince Vaughn and more
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Published: Friday Apr 19, 2013 | 07:00 PM EDT
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What's the word, Katy? Perry mans the mic on Thursday while speaking at ASCAP's "I Create Music" expo at the Loews Hollywood Hotel.
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