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

JOSHUA JACKSON & DIANE KRUGER

In sync, in love and in style, the couple wear elegant black tie attire – he in a classic tux, she in a daring black lace mini with a sheer lavender overlay and oversized sparklers, plus a Judith Leiber clutch – for a Sean Penn-hosted dinner to benefit Haiti.