People.com Lifestyle Style Spring '11: Fashion's Big Night Out From J.Lo's shining moment to Nicole's dance party, see who kept the stores hopping in N.Y.C. to support shopping By Andrea Desimone Published on September 11, 2010 02:40 PM Share Tweet Pin Email 01 of 23 JENNIFER LOPEZ Joe Kohen/Getty It’s J.Lo times two as the strikes a pose, in a sparkling Georges Hobeika mini dress and matching glittering booties, to launch her new Love and Glamour fragrance at Macy’s in Herald Square. 02 of 23 SARAH JESSICA PARKER Gustavo Caballero/Getty Sparkling brighter than one of Fred Leighton’s diamonds, turns up at the jewelry brand’s Madison Avenue store in a glittering Oscar de la Renta dress. Looks like her new pals approve! 03 of 23 NICOLE RICHIE Jamie McCarthy/Gett Blondes really do have more fun! proves she is just one of the girls, as she boogies in a LBD along with her fans at Bergdorf Goodman as shoe-designer-to-the-stars Brian Atwood played DJ. 04 of 23 HALLE BERRY Craig Barritt/Getty Back from her romantic trip to Europe, keeps pulses racing in a sparkling, lingerie-inspired camisole topped with a sleek tuxedo blazer and knee-high boots – all Ralph Lauren Collection – at the Ralph Lauren Mansion. Berry also stopped at the Rag & Bone boutique, where she celebrated with Revlon Global Artistic Director Gucci Westman. 05 of 23 MARY-KATE AND ASHLEY Stephen Lovekin/Getty From star designers to shop girls, and mingle with their fashion fans at the Elizabeth and James pop up shop in the West Village where they signed tote bags and rang up lucky customers. 06 of 23 VICTORIA BECKHAM Dave Allocca/Startraks Rocking one of her own signature slinky sheath dresses, rang in Fashion’s Night Out surrounded by racks of her dresses and jeans at high-end department store Bergdorf Goodman. 07 of 23 KIM AND KOURTNEY Even while launching their new line, K-Dash for QVC, at the shopping network’s Rockefeller Center event, the Kardashian sisters still find time to play a round of peekaboo with each other. 08 of 23 RACHEL BILSON Roger Kisby/Getty Shopping has never been this chic! Along with stylish pals, Sunglass Hut’s finds the perfect shades to match her neon striped Suno dress at the store’s 5th Avenue location. 09 of 23 HEIDI KLUM Gilbert Carrasquillo/Getty The flaunts her post-baby body in a bow-tied black-and-white Jenny Packham minidress, while helping N.Y.C. mommies stay in style with her two signature maternity lines at Destination Maternity. 10 of 23 NAOMI CAMPBELL Ivan Nikolov/WENN The runway isn’t the only place this supermodel can work it! Campbell borrows moves from Lady GaGa s choreographer, Laurie Ann Gibson, and tears up the dance floor at Dolce & Gabbana’s party in fishnet tights, hot pants and a graphic T-shirt. 11 of 23 GWEN STEFANI Bryan Bedder/Getty Flanked by her own Harajuku girls, the rock star blends right in with a ruffled mixed-print dress, sheer leggings, fringed sandals and her signature red pout, at Sephora’s SoHo store to promote her successful fragrance collection. 12 of 23 JESSICA ALBA Brian Zak/Sipa indulges her inner magpie, rocking a sequin silver Ralph Lauren Collection dress and matching platforms at Ralph Lauren’s SoHo store party. 13 of 23 ED WESTWICK Carmen Valdes/Photo Image Press Bulls eye! Taking a look right out of Chuck Bass’s closet, the Gossip Girl bad boy dons a red-and-blue striped Simon Spurr suit for a game of darts at Saks Fifth Avenue. 14 of 23 AMBER HEARD Ben Gabbe/Getty The actress combines fashion and football while co-hosting Tommy Hilfiger’s sports-themed bash at his 5th Avenue flagship in a plunging red top and plaid tiered skirt. 15 of 23 RACHEL ZOE Wendell Teodoro/Getty The super-stylist gets into the N.Y.C. spirit, wearing all-black to pick her must-haves at e-retailer Piperlime’s pop-up shop in SoHo. 16 of 23 CHARLIZE THERON Dimitrios Kambouris/Getty The Dior stays neutral in complementary shades of charcoal, beige and black at the French label’s New York boutique. 17 of 23 GABRIEL AUBRY Bill Davila/Startraks The Charisma model proves he’s more than just a pretty face while taking a spin at Bloomingdale’s ping pong table, telling PEOPLE “I’ve got a really good serve, kind of like an Agassi.” 18 of 23 DIANE KRUGER Paul Porter/BFA/Sipa Make way for the lady in red! The former supermodel turns up at Lanvin’s stylish Madison Avenue bash in a scarlet Prabal Gurung minidress and tough Alexandre Birman lace-up booties. 19 of 23 MICHELLE AND CHARLOTTE Janette Pellegrini/Getty Telling PEOPLE that she has “more of a savory tooth,” the Gossip Girl star leaves the cupcakes to designer Charlotte Ronson while celebrating her I Heart Ronson line at JC Penney. 20 of 23 LEIGHTON MEESTER Andy Kropa/Getty The Gossip Girl is perfectly chic as she co-hosts the Roger Vivier perfume launch in glamorous accessories from the French brand. 21 of 23 CLAIRE DANES Michael Loccisano/Getty The recent Emmy broadcasts her golden girl status in a camel Donna Karan dress and shoes as she helps the legendary designer celebrate her 25th anniversary at Saks Fifth Avenue. 22 of 23 CATHERINE ZETA-JONES Silja Magg Spotted on the Upper East Side: bringing her trademark glamour to the Oscar de la Renta boutique, clad in one of the designer’s curve-hugging dresses. 23 of 23 DAKOTA AND JESSICA laven Vlasic/Getty Fanning and Szohr add to the stylish scenery at Prada’s 5th Avenue store while posing with some couture clad mannequins – and SNL’s Seth Meyers.