Viva's Looks of the Week

Actress Lily James wears a strapless Balenciaga gown at the London premiere of Cinderella.
 

Man Repeller founder Leandra Medine at the CFDA Fashion Fund announcement in New York.

Actor Ansel Elgort wears Prada at The Divergent Series: Insurgent premiere in New York.

Model Erin O'Connor looks striking in blue at the London premiere of Dior and I.
 

Designers Mary-Kate and Ashley Olsen at the CFDA Fashion Fund announcement in New York.

Model Edie Campbell keeps it simple in a suit at the Balmain store opening party in London.