BEST DRESSEDCara Delevingne vs. Selena GomezVote for the best dressed star of the week here.by W MagazineDec. 27, 20151Cara Delevingne. Photo by David M. Benett/Dave Benett/Getty Images2Ciara in Topshop. Photo by Suzi Pratt/Getty Images for Nordstrom3Selena Gomez in Victoria Beckham. Photo by Getty Images.4Miranda Kerrin Self-Portrait. Photo by Getty Images.5Jenny Packham at her wedding to Mathew Anderson at the Mandarin Oriental Hyde Park in London.Photo courtesy of Tonje Toryesen, December 2015.