Favorite Daria Werbowy replaced Natalia Vodianova for the yet-to-be-released Yves St. Laurent Fall 2010 campaign, photographed by Inez Van Lamsweerde. It's all traditional YSL - black and white, vintagey, and shot from below. There's something severe yet elegant about the blunt bangs, oversized necklace, and imposing iron staircase. The ad will debut later this year, so keep an eye out for it in your September fashion mags.