Cannes: Lights, Camera, Fashion!

See Salma Hayek, Sharon Stone, Mischa Barton and other stars strut their style at the Cannes Film Festival. By Serena Kappes with Bryan Alexander

DAY & NIGHT

"It's a little intimidating to walk out into all these people," said Mischa Barton about the flurry of spectators and press at Cannes. Yet the O.C. star, at the festival to promote her period piece The Decameron, keeps her cool in a diaphanous Roberto Cavalli shift over a white tank and jeans (on May 14) and a glamorous Cavalli gown (later that night).