The Look of NY Fashion Week: Black & White

Design star Gwen Stefani legged it down the runway in a L.A.M.B. micro-mini sequined dress in bold houndstooth check. Her latest collection is filled with graphic stripes, checks and leopard print, all in black and white.

Mama-to-be Nicole Richie donned a Roberto Cavalli gown for the Fashion Rocks show held at Radio City Music Hall.

New mom Naomi Watts dropped by the Marchesa presentation in a floaty high-contrast dress from the designers.

Sleekly elegant Kate Bosworth attended the Rag & Bone show in a menswear-inspired white jacket.

British actress Rachel Weisz took her place in the front row of her pal Narciso Rodriguez's show in a curve-conscious number by the designer.

A bespectacled Chloe Sevigny gave an eye-catching spin to her classic look with an illustrated T-shirt. The actress attended a luncheon for Lanvin designer Alber Elbaz.

Stunning Teri Hatcher took in Fashion Rocks in a My Fair Lady-inspired black gown with contrasting white stripes by Badgley Mischka. The Desperate Housewives lead is currently starring in ads for the luxe brand.

The punk princess played up her pink pompadour with a simple satin Max Azria number with an underskirt of frilly white tulle. Lavigne performed at the Fashion Rocks show.

One Tree Hill

star Sophia Bush worked the Stefani style in black velvet L.A.M.B. shorts paired with a high-necked blouse from the line. After taking in the fashion show, Bush helped Gwen celebrate the launch of her new perfume, L.

Nicky Hilton

launched her latest line, Nicholai, in a self-designed white dress trimmed with black lace. Hilton celebrated her show with a triumphant catwalk strut.

See the stars at London Fashion Week on InStyleMagazine.co.UK.