Stacey Keibler stuns during Mercedes Benz Fashion Week in NYC wearing Marchesa at the Palladium Jewelry By Jacob & Co. Launch Celebration hosted by W Magazine. Get into the detail on this Marchesa cacoon shift dress with embroidered detail and ostrich feather sleeve–such a beauty! The stunning goddess girlfriend of George Clooney turned quite a few heads all week but this number, was a show stopper. Don’t you agree?