Stars' Halloween costumes 2013

Heidi Klum, center, attends her 14th annual Halloween party on Oct. 31, 2013, in New York.

Keep clicking to see what other costumes stars chose this Halloween.

Heidi Klum

Andrew H. Walker/Getty Images for Shutterfly

Heidi Klum attends her Halloween party presented by Shutterfly at Marquee on Oct. 31, 2013, in New York.

Perez Hilton

Perez Hilton attends Shutterfly Presents Heidi Klum's 14th Annual Halloween Party sponsored by SVEDKA Vodka and smartwater at Marquee on Oct. 31, 2013, in New York.

Bethenny Frankel

Bethenny Frankel attends Heidi Klum's Halloween presented by Shutterfly at Marquee on Oct. 31, 2013, in New York.

Christian Siriano

Fashion designer Christian Siriano attends Heidi Klum's Halloween presented by Shutterfly at Marquee on Oct. 31, 2013, in New York.

Ice-T and Coco

TV Personalities Coco and Ice-T attends Shutterfly Presents Heidi Klum's 14th Annual Halloween Party sponsored by SVEDKA Vodka and smartwater at Marquee on Oct. 31, 2013, in New York.

Questlove

Mike Coppola/Getty Images for Heidi Klum

Questlove attends Shutterfly Presents Heidi Klum's 14th Annual Halloween Party sponsored by SVEDKA Vodka and smartwater at Marquee on Oct. 31, 2013, in New York.

Paris Hilton and River Viiperi

Todd Williamson/Invision for Jose Cuervo/AP Images

Paris Hilton and River Viiperi attend Treats! Magazine's 3rd Annual Trick or Treats! Halloween Party presented by Jose Cuervo on Oct. 31, 2013, in Los Angeles.

Aaron Paul and Lauren Parsekian

Aaron Paul and wife Lauren Parsekian attend Treats! Magazine's 3rd Annual Trick or Treats! Halloween Party presented by Jose Cuervo on Oct. 31, 2013, in Los Angeles.

Derek Houg and Ryan Seacrest

Derek Hough, left, and Ryan Seacrest attend Treats! Magazine's 3rd Annual Trick or Treats! Halloween Party presented by Jose Cuervo on Oct. 31, 2013, in Los Angeles.

Jeremy Piven

Jeremy Piven attends Treats! Magazine's 3rd Annual Trick or Treats! Halloween Party presented by Jose Cuervo on Oct. 31, 2013, in Los Angeles.

Russell Simmons

Russell Simmons attends Treats! Magazine's 3rd Annual Trick or Treats! Halloween Party presented by Jose Cuervo on Oct. 31, 2013, in Los Angeles.

Kelly Ripa

Kelly Ripa participates in the New York City 40th Annual Village Halloween parade on Oct. 31, 2013, in New York.

Demi Lovato

Singer/actress Demi Lovato attends her Halloween Party on Oct. 31, 2013, in West Hollywood, Calif.

Katie Couric, Billy Crystal and Bette Midler

From left, television journalist Katie Couric, comedian Billy Crystal and actress Bette Midler attend New York Restoration Project's 18th Annual Hulaween gala on Oct. 31, 2013, in New York.

Hugh Grant

Hugh Grant attends The UNICEF Halloween Ball at One Mayfair on Oct. 31, 2013, in London.

Mindy Kaling, Jimmy Kimmel and Josh Malina

From left, Mindy Kaling, Jimmy Kimmel and Josh Malina dress up for a Halloween episode of "Jimmy Kimmel Live" in Los Angeles on Oct. 31, 2013.

Ellen DeGeneres

1402306_10152000210792240_1923040557_o_(1).jpg — Warner Bros.

TV personality Ellen DeGeneres kicked off her 2013 Halloween episode dressed as Nicki Minaj, donning the same outfit the rapper wore on "The Ellen DeGeneres Show" a few weeks earlier. "Let me start by saying my eyes are up here," DeGeneres joked. "This year I decided to go as something really scary -- half naked."

Kelly Ripa and Michael Strahan

Kelly Ripa and Michael Strahan attend "Live With Kelly and Michael: Best Halloween Show Ever" at "Live with Kelly And Michael" studio on Oct. 31, 2013, in New York.

Kelly Ripa and Michael Strahan

Kelly Ripa and Michael Strahan attend "Live With Kelly and Michael: Best Halloween Show Ever" at "Live with Kelly And Michael" studio on Oct. 31, 2013, in New York.

"Good Morning America"

From left, Josh Elliott, Robin Roberts, Sam Champion, Lara Spencer and George Stephanopoulos dress up for Halloween on "Good Morning America" in New York, Oct. 31, 2013.

"Today" show

From left, Carson Daly, Kathie Lee Gifford, Hoda Kotb, Natalie Morales, Savannah Guthrie and Matt Lauer attend NBC's "Today" Halloween 2013 in Rockefeller Plaza on Oct. 31, 2013 in New York.

"Today" show

Al Roker attends NBC's "Today" Halloween 2013 in Rockefeller Plaza on Oct. 31, 2013 in New York.

Carmen Electra

Carmen Electra attends NBC's "Today" Halloween 2013 in Rockefeller Plaza on Oct. 31, 2013, in New York.

Neil Patrick Harris

"Have a spooktacular night! Here's our family Halloween pic," Neil Patrick Harris said of this photo of him, David Burtka and their twins, Gideon and Harper.

Patrick Stewart

Patrick Stewart posted this photo of himself dressed up as a lobster.

Miley Cyrus

Miley Cyrus shared this photo showing her dressed up as Lil' Kim.

Gisele Bundchen and Tom Brady

"Having fun with my Lion last night!" wrote model Gisele Bundchen of her and husband Tom Brady's "The Wizard of Oz" outfits.

Paris Hilton

Paris Hilton chose to channel Miley Cyrus for one of her Halloween ensembles ("Like my Miley costume?" she captioned this photo on Instagram).

Hugh and Crystal Hefner

Hugh Hefner and wife Crystal struck a pose as Robin Thicke and Miley Cyrus in this photo posted on her Instagram page.

Joan Rivers

"I had so much fun dressing as Miley Cyrus!" Joan Rivers said of her costume for E!'s "Fashion Police" Halloween episode.

Naya Rivera

"She's sexy AND educational! Just doing my part to teach the kids geography," Naya Rivera wrote on Instagram of her Carmen Sandiego costume.

Neil Patrick Harris

Neil Patrick Harris and David Burtka dressed up in "Alice in Wonderland" themed costumes with their twins, Harper, front left, and Gideon.

Kelly Osbourne

Kelly Osbourne dressed up as "Mad Men" star Christina Hendricks for the Halloween episode of E!'s "Fashion Police."

"I hope I did [her] justice!!" Osbourne wrote on Instagram. "Ps I had to wear 3 bras!!"

Lea Michele

"Happy (almost) Halloween!" Lea Michele captioned this Twitter photo, showing her and a pal dressed in dirndls.

Chris Colfer

"This year for Halloween I decided to go as a character whose sex appeal is always ignored...I'm Sexy R2D2!" said "Glee" star Chris Colfer.

Fergie and Josh Duhamel

Fergie shared this photo of her dressed as Elvira and husband Josh Duhamel as Riff Raff from "The Rocky Horror Picture Show."

Fergie and Josh Duhamel

Another Halloween look from Fergie and Josh Duhamel, posted on the actor's Instagram page with the caption, "Hasta la muerte."

Nick and Vanessa Lachey

"Step right up and Welcome to The Lachey CarnEVIL! We even managed to tame a cute lion," Vanessa Lachey captioned this Twitter photo of her and husband Nick Lachey with their son, Camden.

Jesse Tyler Ferguson

"Finally, batman & robin got married!" wrote Justin Mikita of this photo of him and husband Jesse Tyler Ferguson.

Nicole Richie

"Happy Halloween from your favorite #TWINS Arnold Schwarzenegger & Danny Devito," Nicole Richie, right, captioned this Halloween Instagram.

Paris Hilton

Paris Hilton also dressed up as Barbie, sharing a photo of the ensemble on Instagram.

Jessica Alba

Jessica Alba, right, and husband Cash Warren, back, were part of a "The Witches of Eastwick" group costume.

Bethenny Frankel

Bethenny Frankel dresses up for the Halloween episode of her talk show at the CBS Broadcast Center on Oct. 28, 2013, in New York.

Ian Ziering

Actor Ian Ziering, right, and Erin Kristine Ludwig attend Playboy Mansion's annual Halloween bash on Oct. 26, 2013, in Holmby Hills, Calif.

Snooki and JWoww

Nicole "Snooki" Polizzi and Jennifer "JWoww" Farley attend the Snooki and JWoww Halloween Event: "Night Of The Living Drag" at Providence on Oct. 25, 2013, in New York.

Snooki and JWoww

Nicole "Snooki" Polizzi and Jennifer "JWoww" Farley attend the Snooki and JWoww Halloween Event: "Night Of The Living Drag" at Providence on Oct. 25, 2013, in New York.

Derek Hough

Derek Hough attends the Casamigos Halloween Party at the home of Mike Meldman on Oct. 25, 2013, in Beverly Hills, Calif.

Hilary Duff and Mike Comrie

Hilary Duff, left, and husband Mike Comrie attend the Casamigos Halloween Party at the home of Mike Meldman on Oct. 25, 2013, in Beverly Hills, Calif.

Alessandra Ambrosio

Alessandra Ambrosio attends the Casamigos Halloween Party at the home of Mike Meldman on Oct. 25, 2013, in Beverly Hills, Calif.

John Stamos

John Stamos attends the Casamigos Halloween Party at the home of Mike Meldman on Oct. 25, 2013, in Beverly Hills, Calif.

Ryan Seacrest

Ryan Seacrest attends the Casamigos Halloween Party at the home of Mike Meldman on Oct. 25, 2013, in Beverly Hills, Calif.

Ashley Madekwe

Ashley Madekwe, left, and Iddo Goldberg attend the Casamigos Halloween Party at the home of Mike Meldman on Oct. 25, 2013, in Beverly Hills, Calif.

Cindy Crawford and Rande Gerber

Cindy Crawford, left, and Rande Gerber attend the Casamigos Halloween Party at the home of Mike Meldman on Oct. 25, 2013, in Beverly Hills, Calif.

Michelle Trachtenberg

Michelle Trachtenberg attends the Casamigos Halloween Party at the home of Mike Meldman on Oct. 25, 2013, in Beverly Hills, Calif.

Martha Stewart

Martha Stewart arrives at Hub Network's First Annual Halloween Bash at Barker Hangar on Oct. 20, 2013, in Santa Monica, Calif.

Kenan Thompson

Jordan Strauss/Invision for the Hub Network/AP Images

Host Kenan Thompson at "Hub Network's First Annual Halloween Bash" on Sunday, Oct. 20, 2013, at the Barker Hanger in Santa Monica, Calif. The star-studded special will be broadcast on the Hub Network on Oct. 26, 2013.