Halloween in Hollywood

When it comes to dressing up, no one does it better than the people who make a career of acting out roles. Here are some of the costumes celebrities have worn in recent years.

In this photo, "Twilight" actors Kellan Lutz, left, and Ashley Greene arrive at Veuve Clicquot's Yelloween on Oct. 31, 2009, in Las Vegas.

Heidi Klum arrives in costume to her 10th Annual Halloween Party on Oct. 31, 2009, in Los Angeles.

Heidi Klum and her husband, Seal, arrive at Klum's 10th Annual Halloween Party on Oct. 31, 2009, in Los Angeles.

Actor-TV personality Nick Cannon, left, and singer Mariah Carey attends a Halloween celebration at M2 Ultra Lounge on Oct. 31, 2009, in New York.

Dimitrios Kambouris/Getty Images for Svedka Vodka

Blake Lively attends Halloween 2033: SVEDKA Vodka Adult Playground Series on Oct. 31, 2009, in New York.

Michelle Trachtenberg attends Halloween 2033: SVEDKA Vodka Adult Playground Series on Oct. 31, 2009, in New York.

Dancer Derek Hough arrives at Heidi Klum's 10th annual Halloween party in West Hollywood, Calif., on Saturday, Oct. 31, 2009.

Paris Hilton arrives at Heidi Klum's 10th annual Halloween party in West Hollywood, Calif., on Saturday, Oct. 31, 2009.

Actor Rick Fox, left, and actress Eliza Dushku arrive at Heidi Klum's 10th annual Halloween party in West Hollywood, Calif., on Saturday, Oct. 31, 2009.

Singer Kelly Osbourne, left, and model Luke Worrall arrive at Heidi Klum's 10th annual Halloween party in West Hollywood, Calif., on Saturday, Oct. 31, 2009.

Perez Hilton arrives at Heidi Klum's 10th annual Halloween party in West Hollywood, Calif., on Saturday, Oct. 31, 2009.

Regis Philbin, dressed as Jon Gosselin, left, and Kelly Ripa, dressed as Kate Gosselin from the TLC reality show, "Jon & Kate Plus 8," are pictured during the Halloween celebration on "Live! with Regis and Kelly", Friday, Oct. 30, 2009.

Wendy Williams dresses as Dolly Parton during her Halloween celebration on "The Wendy Williams Show," Friday, Oct. 30, 2009, in New York.

"Today" show personalities, all dressed as "Star Wars" characters, appear during program's annual Halloween show in New York on Friday, Oct. 30, 2009. From left, Kathie Lee Gifford as C3P0, Natalie Morales as Queen Padme Amidala, Hoda Kotb as Yoda, Ann Curry as Darth Vader, Meredith Vieira as Princess Leia, Matt Lauer as Luke Skywalker and Al Roker as Han Solo.

Blake Lively from "Gossip Girl," left, is dressed as Cleopatra as she and host Martha Stewart, dressed as Medusa, bake a cake on "The Martha Stewart Show," Oct. 31, 2008, in New York.

From left, comedian Kathy Griffin, actress Bette Midler and singer Gloria Estefan arrive at the Hulaween Benefit Gala for the New York Restoration Project at The Waldorf Astoria in New York on Friday, Oct. 31, 2008.

Heidi Klum attends her annual Halloween party at 1Oak on Friday, Oct. 31, 2008, in New York.

TV personality Kim Kardashian, left, and her then-boyfriend, NFL player Reggie Bush, arrive for the Pur Jeans Halloween Bash in Los Angeles, Friday, Oct. 31, 2008.

Actress Jada Pinkett Smith and daughter Willow Smith arrive at the Dream Halloween annual fundraiser for the Children Affected by AIDS Foundation, Saturday, Oct. 25, 2008, in Santa Monica, Calif.

From left, model Heidi Klum, TV personality Thomas Gottschalk and wife Thea Gottschalk attend Klum's 8th Annual Halloween Party at The Green Door on Oct. 31, 2007, in Los Angeles.

Actor Kyle MacLachlan attends Heidi Klum's 8th Annual Halloween Party at The Green Door on Oct. 31, 2007, in Los Angeles.

Television personality Audrina Partridge attends the Hpnotiq Halloween Party at Les Deux on Oct. 30, 2007, in Los Angeles.

Dave Navarro attends his Halloween Lingerie and Costume Ball at The Highlands on October 28, 2006, in Hollywood, Calif.

Singer Seal, left, and model Heidi Klum arrive at Klum's 7th Annual Halloween Party at Privilege on Oct. 31, 2006 in Los Angeles.

Actor Kyle MacLachlan, left, and actress Minnie Driver attend Heidi Klum's 7th Annual Halloween Party at Privilege on Oct. 31, 2006, in Los Angeles.