Opening Ceremony & "Grace Of Monaco" Premiere - The 67th Annual Cannes Film Festival [Getty Images]

CANNES, FRANCE - MAY 14: Adele Exarchopoulos attends the Opening Ceremony and the "Grace of Monaco" premiere during the 67th Annual Cannes Film Festival on May 14, 2014 in Cannes, France. (Photo by Dominique Charriau/Le Film Francais/WireImage)

WireImage Dominique Charriau/Le Film Francais