Elle attended the 70th Annual Cannes Film Festival Anniversary Soiree earlier today, and she was just at the celebration dinner, too. She was wearing a beautiful Christian Dior Haute Couture gown, and the pictures are now up in our gallery. Public Appearances & Events > 2017 > May 23 | 70th Annual Cannes Film Festival Anniversary Soiree Public Appearances & Events > 2017 > May 23 | 70th Annual Cannes