Your first look at 2011 It-Girl -- and possible Best Actress nominee -- Elizabeth Olsen

Mary Kate and Ashley aren't the only Olsen sisters anymore. Younger sibling Elizabeth wowed audiences at the Sundance Film Festival in January with her striking lead performance in 'Martha Marcy May Marlene.' Get used to mangling that title from now until February, when Olsen may find herself nominated for an Oscar. (Oct. 21) -- CR

Photo: Fox Searchlight