Olsen turns out for a rockin' rooftop party in New York City. Plus: Gwen Stefani, Prince Harry, Shannen Doherty and more

FASHION PLATES

Stylist to the stars Rachel Zoe celebrates her new Bravo show, The Rachel Zoe Project, with a champagne toast – and her gorgeous client Kate Hudson – on the roof of New York's Gramercy Park Hotel on Thursday.