As selected by Ewok and the fashionistas at the Guardian.
From top: Angelina Jolie (Versace); Glenn Close (Zac Posen); Penelope Cruz (Armani Prive); Natalie Portman (Christian Dior); Gwyneth Paltrow (Tom Ford); Viola Davis (Vera Wang); Michelle Williams (Louis Vuitton) Jessica Chastain (Alexander McQueen) and Shailene Woodley (Valentino).
(PA/Wire Image/Getty)