Cox and her 6-year-old daughter touch down at LAX. Plus: Posh & Becks, Zac Efron and more

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OLD 'SCHOOL'

Zac Efron steps out in support of his High School Musical costar Ashley Tisdale Wednesday at the premiere of her HSM spin-off, Sharpay's Fabulous Adventure, in West Hollywood. The red carpet also brought out Efron's ex Vanessa Hudgens (not pictured).