Pop star Katy Perry is one of our best-dressed celebs of the week in festive embellished gown by Yves Saint Laurent. Check out the rest of the stars who topped our list »

People watching: Vanessa Hudgens is sweet in a peach ruffled dress by Moschino and sky-high YSL pumps. Learn more about her look here »

Check out YSL’s new La Laque Couture nail collection »

Yves Saint Laurent launches La Laque Couture nail polishes, inspired by the house’s iconic runway collections. Check out the ultra-chic line here »

Quartet of models

Photographed by Eva Chen

Inside Teen Vogue: Sparkling YSL heels on Teen Vogue Accessories Director Shiona Turini

YSL

Photographed by Jane Keltner de Valle

NYFW day seven: Jane Keltner de Valle wears a vintage coat, Alexander Wang dress, YSL belt and a Jason Wu Jourdan bag

NYFW day seven: Shiona Turini wears a Sonia Rykiel dress, Nike varsity jacket and embellished YSL clutch

A close-up of the sky-high YSL platforms on Ade