Last night, high-end fashion designer Brian Atwood kicked off New York Fashion Week with an exquisite cocktail and dinner event presented by DeLeon Tequila, celebrating the success of his new campaign and the first Fall 2012 NYC Flagship store opening at the Four Seasons Restaurant in NYC.

This exclusive, celebrity-studded party featured an elegant Four Seasons feast including everything from a raw bar to hand-spun cotton candy and expertly hand-crafted cocktails from DeLeon Tequila cleverly named Maniac, The Sex is in the Heel, Midnight Purple and The Atwood.

A-List guests, dressed only in high-end fashion couture took turns posing for pictures with the famed designer, while dancing, mingling and checking out the variety of Brian Atwood shoes that guests were dawning. Following the event, special VIP guests of DeLeon Tequila kept the party going at the “Electric Sessions” after-party at Dream Downtown’s Electric Room. Guests continued to sip DeLeon Tequila while dancing the night away to a live concert performance by blues-rock guitarist and singer Gary Clark Jr. See who attended, along with a photo gallery after the jump.

Celebrities included: Kim Kardashian; Olympic gold medalist Ryan Lochte; Supermodel Heidi Klum; Paris & Nicky Hilton; supermodel, IMAN; Actress Michelle Trachtenberg; Actress Gabrielle Union; Singer Estelle; Actress, Jana Kramer; Designer Brian Atwood; Designer Rachel Roy; Designer Rachel Zoe and husband Rodger Berman; Designer Elie Tahari; Reality TV Star Kelly Bensimon; Supermodel Candice Swanepoel; Socialite Tinsley Mortimer; Socialite Devorah Rose; Celebrity Stylist June Ambrose; Reality TV star Angela Simmons; Miss USA 2012 Olivia Culpo; Nate Berkus, Celebrity Chef Katie Lee, Singer Donna D’Cruz, Musician Gary Clark Jr, among many others.

Kim Kardashian stuck close to friend and designer Rachel Roy as they maneuvered through the crowds of people, posed for pictures and congratulated designer Brian Atwood at his New Campaign & Fall 2012 Store Opening event Presented by DeLeon Tequila at the Four Seasons Restaurant in NYC.

Actress Michelle Trachtenberg, who arrived at the Brian Atwood New Campaign & Fall 2012 Store Opening event at the Four Seasons Restaurant in NYC with friend and actress Gabrielle Union, sipped on DeLeon Tequila and lime cocktails while chatting and mingling with friends and posing for pictures.

Paris & Nicky Hilton posing for pictures with Ryan Lochte and other guests, while dancing to the DJ at the the Brian Atwood New Campaign & Fall 2012 Store Opening event Presented by DeLeon Tequila at the Four Seasons Restaurant in NYC.

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