The A-list turned out in force last night for the Maison Martin Margiela collaboration for H&M in New York. It must have been cold, because many of the stars like Kanye West and Sarah Jessica Parker kept their coats on. And with such fabulous winter dressing - it's easy to see why! Kanye kept it casual in a long camel coat, while SJP went for a masculine, oversize style. Shop their respective looks below.