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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PLAY BALL!

Proving she's got more than just an eye for fashion, Lauren Conrad throws out the first pitch Saturday at the Los Angeles Dodgers game at L.A.'s Dodger Stadium. And the Hills star, who attended with actor boyfriend Kyle Howard, brought luck to the home team: They trumped the Philadelphia Phillies, 3-2.