A bump-wearing McPhee gets busy on the L.A. set of House Bunny. Plus: Ashlee Simpson, Natalie Portman and more

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HOMECOMING KING

After posing for a steamy Rolling Stone cover, Zac Efron gets back to family-friendly entertainment, premiering High School Musical 2 with Mickey and Minnie Mouse at Disneyland in Anaheim, Calif., on Tuesday.