PARTIESPhotos: Celebrating the CollectiveWith Poppy Delevingne, Alek Wek, and more.by Sarah Leon01.16.151Alek Wek and Poppy Delevingne. Photo by BFAnyc.com.2Osman Yousefzada and Jeanne Greenberg Rohatyn. Photo by BFAnyc.com.3Tali Lennox. Photo by BFAnyc.com.4Julia Restoin Roitfeld. Photo by BFAnyc.com.5Max Snow and Vanessa Traina Snow. Photo by BFAnyc.com.6Yvonne Force Villareal. Photo by BFAnyc.com.7Bill Powers and Cynthia Rowley. Photo by BFAnyc.com.8Geordon Nicol and Leigh Lezark. Photo by BFAnyc.com.