Lights! Camera! Cannes!Kristen Stewart, Reese Witherspoon and more look très chic at the French awards festival known as much for fashion as it is for film

SHAILENE, SEAN & EZRA

While she prefers sweats over gowns, the young starlet joins the recent parade of stars in slits, showing off her legs (and a pair of sexy cage heels) in an embellished-shoulder gown worn with Chopard jewels alongside the well-suited actors at the Trophée Chopard ceremony.