Photo SpecialMischa Barton: Style Setter

Peek at some of the O.C. star's most fashionable looks, selected by PEOPLE style expert Susan Kaufman. By Serena Kappes

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GOLDEN GIRL

"Mischa herself has said that she's very inspired by the '20s and flapper looks," says Kaufman. The 18-year-old pays tribute to the retro style in a golden velvet dress at an Oscar party in Hollywood in February. Yet by choosing ankle boots and wearing her hair tousled, she avoids looking like she's "going to a costume party."

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