Amber Valletta wears a sheer halterneck gown with black underwear at Saint Laurent show during Paris Fashion Week

Demi Moore suffers an X-rated wardrobe malfunction in a sheer black gown as she has her fashion moment at the Saint Laurent show during Paris Fashion Week

Supermodel Jerry Hall, 67, joins daughter Georgia May Jagger, 31, at Saint Laurent photocall as they show off their effortless chic style during Paris Fashion Week

Saint Laurent's Paris Fashion Show Brings Out VIPs Like Hailey Bieber, Austin Butler, Zoe Kravitz, & Many More