Check out the “Keep it easy but chic” style from elegant dresses to stylish street looks. 1. Viola Davis in Vivienne Westwood 2. Gisele Bundchen in a stunning gown by Alexandre Herchcovitch 3. Cara Delevingne in Alexander McQueen 4. Emmy Rossum in a black gown by David Koma 5. Margot Robbie wearing Brock's stripy coat 6. Fergie with Saint Laurent tote