Natalie Portman, Léa Seydoux, and More Make a Case for the Easy Updo at Cannes InlineMay 20, 2015Save StorySave this storySave StorySave this storyExpandPhoto: Getty Images1/4Natalie PortmanExpandPhoto: Getty Images2/4Léa SeydouxExpandPhoto: Getty Images3/4Rooney MaraExpandPhoto: Getty Images4/4Cate Blanchett