The Hannah Montana star takes a post-breakfast ride in Toluca Lake, Calif. Plus: J. Lo, Jessica Alba, Britney and more

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SUNNY DELIGHT

A sun-kissed Katherine Heigl (in curve-hugging Diane von Furstenberg) steps out Saturday to support her Grey's Anatomy pal T.R. Knight, who was set to perform at the 3rd annual Hot in Hollywood fund-raiser at Hollywood hot spot Avalon. When asked how she got so tan, Heigl laughed, telling PEOPLE, "I have a lot of free time."