The High School Musical stars are all smiles while out to dinner in L.A. Plus: Brad Pitt, Mariah Carey, Miley Cyrus and more

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LAUGHING ALL THE WAY

Case of the giggles? After a meal at Paty's restaurant in Toluca Lake, Calif. on Tuesday, High School Musical sweethearts Zac Efron and Vanessa Hudgens share a laugh on the way to the car.