Celebs Celebrate Halloween 2011

Actress Katrina Bowden attends the Malibu Black Halloween party in New York on Oct. 27, 2011 dressed as a zombie fairy.

Kim Kardashian dressed as Poison Ivy as she hosted Midori's Green Halloween at Lavo in midtown Manhattan on Oct. 29, 2011.

Holly Madison parties at the 3rd Annual "Hollyween" at Studio 54 at MGM Grand Resort and Casino in Las Vegas, Nevada on Oct. 29, 2011.

Gwen Stefani dressed as Cinderella for a Halloween costume party at Beverly Wilshire Hotel in Los Angeles, Calif. on Oct. 29, 2011.

Mariah Carey and Nick Cannon, and twins Moroccan and Monroe Cannon pose in matching "The Incredibles" Halloween costumes.

Bethenny Frankel was one of the many on hand at Heidi Klum's 12th Annual Halloween Party Presented By Tao Nightclub At The Venetian Resort and Casino in Las Vegas, Nevada on Oct. 29, 2011.

Nicole "Snooki" Polizzi celebrates Halloween with a spine-chilling bash at PURE Nightclub inside Caesars Palace in Las Vegas on Oct. 29, 2011.

Paris Hilton leaves a Halloween party in Los Angeles dressed as a heroine.

Camille Grammer of "The Real Housewives of Beverly Hills" attends the 18th Annual Dream Halloween to benefit the Children Affected by Aids Foundation in Los Angeles on Oct. 29, 2011.

Rose McGowan dresses up for the L.A. Gay & Lesbian Center's Annual "Halloweenie" Party held at Hollywood Forever cemetery in Hollywood, Calif. on Oct. 28, 2011.

Pauly D attends his Halloween party, Paulyween, at Rain Nightclub inside The Palms in Las Vegas on Oct. 29, 2011. 

 

 

Bridget Marquardt takes her turn at HPNOTIQ Harmonie bottle service at the Sugar Factory American Brasserie in Las Vegas on Oct. 29, 2011.

AnnaLynne McCord kicks off Halloween weekend with "A Night Of Haunted Seduction" at Pure Nightclub at Caesars Palace Resort and Casino in Las Vegas, Nevada on Oct. 28, 2011.

J Woww celebratedHalloween at Chateau Nightclub in Las Vegas, Nevada on Oct. 29, 2011.

Reality star Scott Disick appears at the Sugar Factory at the Paris Las Vegas on Oct. 29, 2011 in Las Vegas, Nevada.

Alex McCord and Simon Van Kempen looked spooky at the Pop Art Halloween presented by Morgan Fairchild and Marc Bouwer in New York City and Oct. 29, 2011.

Debra Messing and David Zelman at the 16th Annual Bette Midler's New York Restoration Project's Hulaween event in New York City. 

 

 

Stevie Wonder and Bette Midler at Bette Midler's "Hulaween Ball" 2011 to benefit New York Restoration Project at the Waldorf Astoria Hotel in New York. 

 

 

"Teen Wolf" star Colton Haynes helped "Glee" star Matthew Morrison celebrate his birthday and sipped on Svedka cocktails at Voyeur in West Hollywood, Calif. at Morrison's Halloween party presented by Bing.

Jamie Lee Curtis attends the 18th Annual Dream Halloween to benefit the Children Affected by Aids Foundation in Los Angeles on Oct. 29, 2011. 

 

 

"Dancing with the Stars" Maksim Chmerkovskly partied at the Vevo Presents Six Feet Deep Halloween Event Powered by DUBSET at the Hollywood Cemetery in Los Angeles on Oct. 27, 2011.

"Glee" star Matthew Morrison performed with a live band and sipped on Svedka cocktails at Voyeur in West Hollywood, Calif. at his Halloween birthday party presented by Bing.

"The Real Housewives of Atlanta" star Kim Zolciak got into the Halloween spirit early, flaunting her post-baby bod in SVEDKA Vodka's sexy and futuristic SVEDKA_GRL costume.

Jenna Bush attends the 2nd Annual UNICEF Masquerade Ball in New York on Oct. 27, 2011 dressed as Mexican artist Frida Kahlo.