The O.C. star is a winner at the Teen Choice Awards. Plus: Jennifer Garner, Ashton Kutcher and more

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The Rock (a.k.a. Dwayne Johnson) keeps things cheerful at the Australian premiere of his film Walking Tall on Thursday. The event was the last bit of business before the wrestler-turned-actor headed to the island nation of Samoa (he's half-Samoan, on his mother's side) for a vacation, where he'll be honored in a public ceremony on Monday.