• TWO-TONE GOWNS photo | January Jones, Julianna Margulies, Marion Cotillard

Credit: BEImages; Getty; WireImage

Published: Monday January 28, 2013 09:45 AM EST



For trendsetting stars January Jones (wearing Prabal Gurung), Julianna Margulies (in Chado Ralph Rucci) and reader fave Marion Cotillard (dressed in Dior Haute Couture), the SAG Awards red carpet is the perfect place for their study in sharp contrasts.