Celebrity looks - who wore what this week

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