Red-carpet stars went bold this week with either whimsical fur-trimmed frocks and extreme bell-shaped hems or floor-length numbers as dramatic as the roles these women play. WHO: Keira Knightley WHAT: Simone Rocha WHERE: British Independent Film Awards, London WHEN: December 7, 2014 WHO: Brie Larson WHAT: Rodarte WHERE: The Gambler premiere, New York City WHEN: December 10, 2014 WHO: Felicity Jones WHAT: Christian Dior WHERE: The Theory of Everything premiere, London WHEN: December 9, 2014 WHO: Karolina Kurkova WHAT: Valentino WHERE: Valentino Sala Bianca 945 event, New York City WHEN: December 10, 2014 WHO: Haley Bennett WHAT: Valentino WHERE: Valentino Sala Bianca 945 event, New York City WHEN: December 10, 2014 WHO: Jessica Chastain WHAT: Giorgio Armani WHERE: A Most Violent Year premiere, New York City WHEN: December 7, 2014 WHO: Emily Blunt WHAT: Dolce & Gabbana WHERE: Into the Woods premiere, New York City WHEN: December 8, 2014 WHO: Olga Kurylenko WHAT: Ralph Lauren WHERE: The Water Diviner premiere, Istanbul WHEN: December 5, 2014 WHO: Rihanna WHAT: Zac Posen WHERE: First Annual Diamond Ball, Beverly Hills WHEN: December 11, 2014 WHO: Diane Kruger WHAT: Chanel Couture WHERE: Milan WHEN: December 11, 2014