galleryLoulou de la Falaise Dies at 63 (Photos)11.08.11galleryLoulou de la Falaise Dies at 63 (Photos)11.08.11 3:17 AM ETAP PhotoLoulou de la Falaise, right, with Yves Saint Laurent, center, and Betty Catroux outside YSL's Rive Gauche boutique in London on Sept. 10, 1969. RDA / Getty Imagesde la Falaise and Thadee Klossovski in Paris in 1978 at a party in honor of their wedding. Patrick Davy, Prestige / Getty ImagesLoulou and Yves Saint Laurent in 1991. Eric Ryan / Getty ImagesLoulou and Yves Saint Laurent backstage at Paris Fashion Week in fall of 1992. Eric Ryan / Getty ImagesLoulou and Yves Saint Laurent in October, 2006. Eric Ryan / Getty ImagesLoulou at the Nina Ricci fashion show during Paris Fashion Week in March, 2007.Sergio Mendoza / Getty ImagesLoulou de la Falaise and model Betty Catroux attended the "L'Amour Fou" Premiere at the Toronto International Film Festival on Sept. 11, 2010.