Ali Larter and her husband at Halloween Party

Arrivals for Kate Hudson's Halloween costume party. (October 29, 2011 - Photo by Bauer Griffin)

Bethenny Frankel at Halloween Party

Bethenny Frankel dresses in a "Hello Kitty" costume as she attends Heidi Klum's Halloween party at TAO in Las Vegas. (October 29, 2011 - Photo by PacificCoastNews.com)

Bette Midler at Halloween Party

Singer/actress Bette Midler attends the 16th Annual Bette Midler's New York Restoration Project's Hulaween at The Waldorf=Astoria on October 28, 2011 in New York City. (October 27, 2011 - Photo by Stephen Lovekin/Getty Images North America)

Celebrities at Halloween Party

Hollywood stars attend the Halloween Party in stunning makeovers. Check out the photos!

Debra Messing and Daniel Zelman at Halloween Party

Actress Debra Messing and husband actor/screenwriter Daniel Zelman attend the 16th Annual Bette Midler's New York Restoration Project's Hulaween at The Waldorf=Astoria on October 28, 2011 in New York City. (October 27, 2011 - Photo by Stephen Lovekin/Getty Images North America)

Gwen Stefani at Halloween Party

Arrivals for Kate Hudson's Halloween costume party. (October 29, 2011 - Photo by Bauer Griffin)

Heidi Klum at Halloween Party

Heidi Klum dresses as a corpse as she hosts a Halloween party at TAO in Las Vegas. The supermodel made quite the entrance, being rolled in on a gurney by 2 men dressed as doctors before they pulled back the sheets, revealing her elaborate costume. (October 30, 2011 - Photo by PacificCoastNews.com)

Jayde Nicole at Halloween Party

QUEEN OF HEARTS - Playboy Playmate Jayde Nicole sports a sexy halloween costume while out with an unidentified male in Los Angeles. **AUSTRALASIA AND FAR EAST (EXCEPT JAPAN) OUT** Photograph: © Anthony. (October 28, 2011 - Photo by PacificCoastNews.com)

Jennifer Love Hewitt and Jarod Einsohn at Halloween Party

Jennifer Love Hewitt and her boyfriend Jarod Einsohn surprised everyone by appearing as a Pitt-Jolie couple with dolls symbolizing all their six kids.

Jessica Alba at Halloween Party

Arrivals for Kate Hudson's Halloween costume party. (October 29, 2011 - Photo by Bauer Griffin)

Katherine Heigl at Halloween Party

Katherine Heigl opted for a witch look.

Kathie Lee Gifford, Hoda Kotbe, Natalie Morales, Ann Curry at Halloween Party

"Today" hosts Kathie Lee Gifford, Hoda Kotbe, Natalie Morales, Ann Curry, former host Meredith Vieira, and Al Roker on the set of NBC's "Today" 2011 Halloween Celebration at Rockefeller Plaza on October 31, 2011 in New York City. (October 30, 2011 - Photo by Stephen Lovekin/Getty Images North America)

Kelly Brook and her beau, Thom Evans at Halloween Party

Kelly Brook and her boyfriend Thom Evans dress up as Bella Swan and Edward from "Twilight" as they head to a Halloween party in London. Kelly's costume was complete with fake blood on her face and neck as they headed to the party at the Punch Bowl Pub, owned by Guy Ritchie. (October 30, 2011 - Photo by PacificCoastNews.com)

Kelly Ripa and Nick Lachey at Halloween Party

Kelly Ripa and Nick Lachey show off one of their nine Halloween costumes after co-hosting "Live with Regis and Kelly". Ripa and Lachey were dressed as Kim Kardashian and Kris Humphries on their wedding day. Ripa wore an elegant white wedding dress while Lachey wore a tuxedo complete with stilts. TMZ is reporting that Kardashian is to file for divorce from Humphries after only 72 days of marriage. (October 31, 2011 - Photo by PacificCoastNews.com)

Kim Kardashian at Halloween Party

Kim Kardashian hosts Midori Green Halloween Party at Lavo in New York City, NY. (October 29, 2011 - Photo by FlynetPictures.com)

Lil Wayne at Halloween Party

18th Annual Dream Halloween.Barker Hangar, Santa Monica, CA.October 29, 2011. Lil Wayne was the Holly Robinson Peete at the party. (October 29, 2011 - Photo by Bauer Griffin)

Matt Lauer and Ann Curry at Halloween Party

"Today" hosts Matt Lauer and Ann Curry wear fancy dress on the set of NBC's "Today" 2011 Halloween Celebration at Rockefeller Plaza on October 31, 2011 in New York City. (October 30, 2011 - Photo by Stephen Lovekin/Getty Images North America)

Melissa Francis, Jenna Wolfe and Amy Roebuck at Halloween Party

Melissa Francis as Kourtney Kardashian, Jenna Wolfe as Khloe Kardashian and Amy Roebuck as Kim Kardashian tape NBC's "Weekend Today" 2011 Halloween Celebration at Rockefeller Plaza on October 30, 2011 in New York City. (October 29, 2011 - Photo by Neilson Barnard/Getty Images North America)

Melissa Rycroft and Wilma Flinstone at Halloween Party

18th Annual Dream Halloween.Barker Hangar, Santa Monica, CA.October 29, 2011. Melissa Rycroft made for an adorable Wilma Flinstone on the red carpet of Dream Halloween. She got her family in on the action with husband Tye dressed as Fred and her darling daugher decked out as Pebbles. (October 29, 2011 - Photo by Bauer Griffin)

Nicole Richie at Halloween Party

Arrivals for Kate Hudson's Halloween costume party. Nicole Richie was a J. Lo at the Halloween Party (October 29, 2011 - Photo by Bauer Griffin)