Parties! The style, stars and scoop from Hollywood's hottest events

Katharine McPhee and Joss Stone kept their wits about them as they were swarmed by photographers at the Marc Jacobs show. McPhee, a Fashion Week novice, was the first celebrity to arrive at the New York State Armory building and was soon backed up against a wall by the clamoring press. Stone's hairstylist—who gave the natural brunet her new shade of punk pink—took advantage of his client's popularity, handing out his business cards to reporters.

—Reporting by Polly Blitzer and Suzanne Zuckerman

From Diane von Furstenberg to Baby Phat—check out looks from Fashion Week’s hottest shows at NYmag.com.