Fashion Week

Paris Fashion Week: Leading Ladies at Louis Vuitton

Naomi Watts and Jessica Chastain take in the runway looks, plus more leading ladies in the front row

KATE MOSS & MARC JACOBS

Sleepwear is so hot right now. At least according to the pajama-clad designer, who hugs his supermodel BFF after she strut down the Louis Vuitton runway in this sheer floral gown (over blue undies) and brunette wig.