The pop star gets her feet wet with son Kingston, 2, at the Malibu shore. Plus: Jennifer Aniston, Heidi Klum, Katie Holmes and more

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MAN IN THE MIDDLE

Zac Efron doesn't mind being the center of attention as he poses with costar Ashley Tisdale and girlfriend Vanessa Hudgens at the L.A. premiere of High School Musical 3: Senior Year on Thursday. The film opens in theaters Oct. 24.