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

SHINY & HAPPY

"This is one of those tops that could go horribly wrong on the wrong person," says Kaufman of Barton's satin-and-sequined Luca Luca halter shirt (at the designer's New York fashion show in September). Yet on Barton, who pairs it with simple black cigarette pants, "it hits in all the right spots. She's taking something that's a little high-design but keeps it clean and classic."