10/21/2011 05:56 pm ET | Updated Dec 21, 2011

LOVE IT OR LEAVE IT: Elizabeth Olsen's Chanel Couture (PHOTOS)

Elizabeth Olsen attended the premiere of her new movie "Martha Marcy May Marlene" at the BFI London Film Festival tonight in a cream-colored, ruffly Chanel gown.

Keeping her hair loose, Elizabeth paired the outfit with neutral pumps, dark red lips and a cocktail ring.