DiCaprio suits up for the L.A. premiere of his environmental documentary, The 11th Hour. Plus: Hilary Duff, Clay Aiken and more

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REALITY BITES

The Hills stars Lauren Conrad and Audrina Patridge make a glamorous entrance Wednesday at the third season premiere of their MTV reality show at the LG House in Malibu. Earlier, Conrad's former roommie Heidi Montag said she didn't think they'd ever be friends again. Conrad agreed: "People come in and out of your life, and that is life," she told PEOPLE.