"Slack Bay (Ma Loute)" - Red Carpet Arrivals - The 69th Annual Cannes Film Festival [Getty Images]

CANNES, FRANCE - MAY 13: Blake Lively attends the screening of 'Slack Bay (Ma Loute)' at the annual 69th Cannes Film Festival at Palais des Festivals on May 13, 2016 in Cannes, France. (Photo by Anthony Harvey/FilmMagic)

FilmMagic Anthony Harvey