Kate Moss vs. Lottie Moss\nVote for the best dressed star (or sister) of the week.\nLottie Moss in Jitrois. Photo by Dominic O'Neill.\nChrissy Teigen in Victoria Beckham. Photo by Cindy Ord / WireImage.com\nHailee Steinfeld. Photo by Getty Images courtesy John Paul Ataker.\nAshley Olsen and Mary-Kate Olsen. Photo by John Salangsang / BFA.com.\nKate Moss. Photo by Dave Benett\nUma Thurman in Schiaparelli. Courtesy of the brand.\nSaoirse Ronan in Burberry. Courtesy of the brand.