Lutz shows off his buff stuff in Studio City, Calif. Plus: Kelly Osbourne, Jon Hamm, Bristol & Mark and more
Published: Thursday Sep 02, 2010 | 05:00 PM EDT
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She's just 'happy' to be there! California girl Katy Perry flashes a thumbs-up and a smile on Wednesday while signing autographs – from the sunroof of her car! – in London.
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