Over the weekend in NYC, Chelsea Handler took Andre Balazs to the Creative Time Spring Gala, Karlie Kloss celebrated the opening of five solo exhibitions at the New Museum, Gwyneth Paltrow and Diane Kruger helped launch Lifetime's new show "The Conversation," Jenna Lyons and Jason Wu attended NET-A-PORTER.com's Frieze New York party at Hotel Americano, and more! Last night's parties were all about celebrating the arts. More»

[Katherine Bernard, Natalie Joos, Claire Distenfeld, Stephanie Lacava, Miroslava Duma]

Last night fashionable New Yorkers welcomed Fivestory, Claire Distenfeld's multilevel luxury concept store, to town. Located in a townhouse that carries a selection of international designers that have never been sold in the U.S. before, the store has received a fair amount of hype in the past couple of months, even being compared to the Parisian store Colette. After guests sipped cocktails and checked out the new space to shop, they headed over to Mr. Chow's for more celebratory drinks and dancing. Click through to see the photos! [All photos via BFA]

Last night in NYC, the Brooklyn Museum hosted their annual gala, The Brooklyn Artists Ball, father-daughter duo, Claire and Fred Distenfeld celebrated their grand opening of Fivestory, Emily Blunt stole the limelight in her Jason Wu gown at "The Five Year Engagement" premiere, Chloe Sevigny and Michelle Harper were out late celebrating the power of creation at Acme, and so much more. Last night's parties were all about celebrating in style. More»

Last night in NYC, Glenn Close and Coco Rocha "Bid To Save The Earth" at Christie's Green Auction, the New Museum honored Paul McCarthy at their spring gala, Barbara Walters and Katie Couric were at the Four Seasons to celebrate the 35 most powerful people in media, Scout Willis performed at The Standard, East Village for the launch of BAMart silent auction, and more. Last night's parties were all about the spring galas! More»

Last night in NYC, Claire Danes and Kevin Bacon attended the New York premiere of HBO's Girls, Harvey Weinstein and Valentino watched the special screening of The Intouchables, Nicole Miller partied with Nylon Magazine, Bravo stars were at the Bravo Upfront presentation, and so much more! Last night's parties were all about film and fashion. More»

Last night in NYC, Gilt Groupe launched the Brian Atwood handbag collection at the Top of the Standard, Garance Dore celebrated the launch of Bidermanns for Barneys at Il Buco, Kenneth Cole hosted a preview of his Fall 2012 collection, Patrick McMullan and Ben Widdicombe were on the panel for The Cult of Celebrity at the Soho House, and so much more. Last night's parties were all about the designers! More»

PARIS - On Tuesday, Longchamp Artistic Director Sophie Delafontaine and designer Mary Katrantzou celebrated the designer's latest collaboration for Longchamp at colette in Paris. The facade of the store was covered in the colorful prints from the Mary Katrantzou for Longchamp collection, and a 3-foot-tall version of Longchamp's iconic Le Pilage bag was on display. Guests enjoyed champagne from bottles printed with the designer's "East Meets West" theme. More»