Reese Witherspoon and Matthew McConaughey posed for photographers before climbing the grand staircase at the Cannes Film Festival premiere of Mud Saturday. Reese chose a glamorous blue Versace gown for the formal event, while Matthew modeled a sexy tuxedo. Matthew and Reese began their day at a photocall for the film before capping off their evening with a screening and afterparty. It's Matthew's second premiere since arriving in France. He hit the red carpet on Thursday with Nicole Kidman, Zac Efron, and John Cusack at The Paperboy's star-studded premiere. The annual festival comes to a close this weekend. However, if you're hoping to look back at the glamorous parties and fabulous fashion, we've rounded up all the hottest photos from Cannes!