Chanel Iman Glamorous Lace Champagne Plunging Ball Gown Cannes' amfAR Gala 2015. Chanel Iman wore this amazing deep neck sheer long sleeve dress with overskirt in custom white lace overlaid champagne tulle as she graces the red carpet at Cannes' amfAR Gala. Perfectly to be worn as prom dress, wedding dress, celebrity dress, etc.