Perry gives a sexy over-the-shoulder glance before performing in London. Plus: Lady Gaga, Ashlee, Pete & Bronx, Zac Efron and more

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RAIN MAN

Although he has his own island in the Bahamas, Johnny Depp continues spending time in San Juan, Puerto Rico – where he braved a tropical downpour! – to film the adaptation of Hunter S. Thompson's The Rum Diary on Thursday.