What's Her Best Side?Get your full dose of glam by checking out Marion Cotillard, Olivia Munn and more stylish stars from every angle – then vote for their most flattering poses!

JESSICA BIEL

Hitchcock's star goes appropriately noir in a dramatic black gown with an open back and fluttery "wings", plus a yellow clutch and a retro updo, at the film's Beverly Hills premiere.