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

Credit: Stephane Cardinale/Corbis

Updated: Sunday May 27, 2012 | 03:30 PM EDT By: Alex Apatoff & Christie LaRusso

CAMILA ALVES

The soon-to-be Mrs. McConaughey is clearly onboard with the mega train trend. She selects a strapless embellished Marchesa dress featuring tons of tiered tulle, plus Chopard gems, for the premiere of Mud.