Popsugar Fashion Fashion News Alexander Wang Leaving Balenciaga The Craziest, Most Brilliant Dresses Alexander Wang Designed For Balenciaga July 31, 2015 by Sarah Wasilak First Published: July 29, 2015 View On One Page Photo 9 of 15 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 9 Sienna Miller Sienna Miller was one of the first stars to go sheer in this Alexander Wang for Balenciaga creation. Previous Next Start Slideshow Carey MulliganLady GagaKim KardashianGisele BündchenNaomi WattsSienna MillerFashion NewsFashion DesignersNicola PeltzKristen Wiig