Fashion’s Night Out! Where The Stars Sizzled

By Leah Ornstein - RadarOnline.com Style & Beauty Editor

From Milan to NYC, Hollywood’s hottest stars were out in full force on Thursday night for Fashion’s Night Out and boy, were they dressed to thrill.

RadarOnline.com has TONS of photos from all the swankiest soirees from around the world.

So here’s what went down in NYC:

The Devil has Bieber Fever? Anna Wintour hung out with pop sensation Justin Bieber and bikini bombshell Brooklyn Decker at Dolce & Gabbana, while Christine Taylor and Ben Stiller held court at the Valentino store. Sarah Jessica Parker looked sexy in the city making the rounds to stores like Manolo Blahnik, Oscar de la Renta and Fred Leighton, while Hayden Panettiere looked heroically hot at Stuart Weitzman. LeAnn Rimes supported her hubby Eddie Cibrian, who was hosted an event for Charisma at Bloomingdales and Camilla Belle joined forces with Olivia Munn at the David Yurman store.

RadarOnline.com was on hand in Los Angeles, where LL Cool J cheered on his daughter at the Westfield Century City Fashion Show. I myself hosted the Fashion Institute of Design & Merchandising Dress Design Competition, which was judged by Jen Weinberg, West Coast Editor of Glamour Magazine, Elizabeth Matthews, Board of Director of the Costume Council and Chair of PR & Communications for LACMA and Hayley Atkin, Fashion Editor, LA Times Magazine.

Also in Los Angeles Nicole Richie brought her boho bombshell style to then Beverly Center and the Schwarzenegger/Shriver clan reunited to support Katherine with her hosting duties at Diane von Furstenberg.

Find out where everyone spent the most style-savvy night of the year by clicking here.

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