With his shaggy locks tied back for a workout, Efron leaves his Beverly Hills gym. Plus: Tori Spelling, Nicole Richie, Matthew McConaughey and more.

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WHITE HOT

Nicole Richie stays cool – and chic! – in her summer-friendly white frock while out in Los Angeles on Tuesday. Richie, who created a tour video for beau Joel Madden's band Good Charlotte, has been busy with a slate of projects lately, including a guest role on NBC's Chuck.