[Elizabeth Olsen] [Emma Roberts] [Kate Bosworth]

The Sundance Film Festival (Jan 17th-27th) marks that one, special time of the year when celebrities get to dress down in cozy parkas and jeans, a far cry from the high-fashion looks we're used to seeing them in. There are still those obligatory red carpet moments, but for the most part, it's all about comfort and ease. Even with that said, celebs still manage to bring their fashion A-game to Park City every year. Click through to shop the effortless Sundance looks of a few leading ladies who dominated the best dressed lists at last year's festival.