Mischa 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

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."