Stars at Halloween 2014
Heidi Klum gives Times Square visitors a sneak peek of her Halloween costume before hosting her annual party at TAO Downtown sponsored Bby Moto X on Oct. 31, 2014, in New York.
Michelle Trachtenberg
Actress Michelle Trachtenberg got into the gory Halloween spirit with her costume this year. She posted this photo on Instagram with the caption: "#Halloween festivities have begun. #BlackDahlia #ThisIsHalloween"
Lea Michele
Lea Michele made a sexy Red Riding Hood in her Instagram photo (and you're not seeing things -- her hair is short, but it's a wig). "HAPPY HALLOWEEN!!!!" she captioned the pic.
Taylor Swift
Taylor Swift, looking adorable as always, took to Instagram with this Halloween pic, writing, "Cause, darling I'm a nightmare dressed like a PEGACORN. #HappyHalloween!"
Justin Bieber
Justin Bieber sports a Power Ranger costume this Halloween.
Ellen DeGeneres
Ellen DeGeneres gets creative for Halloween -- and this year was no exception. The talk show host dressed up as Amal Alamuddin (now Mrs. George Clooney). And DeGeneres, of course, had the perfect escort.
Meredith Vieira
Meredith Vieira also went as Amal Clooney.
Kelly Rippa
TV host Kelly Ripa looked a bit scary for Halloween 2014. She wrote on Instagram: "Be honest. Is there something in my teeth? Happy Halloween boos!"
Michael Strahan
Ripa's co-host followed suit with this Instgram pic.
Beyonce
Beyonce pulled off a great "Rhythm Nation" Janet Jackson for Halloween this year as shown in this Instagram pic.
Liv Tyler
Actress Liv Tyler, left, made light of her pregnancy, captioning her photo on Instagram with: "Bun in my oven"
Katy Perry/Instagram
Katy Perry got a little cheesy this Halloween, posting her get-up on Instagram.
North West
Seriously, could she be even cuter? Kim Kardashian and Kanye West's daughter, North West, stepped out as skunk for Halloween 2014. Kardashian wrote on Instagram: "My little stinker is waiting to show daddy her costume. Halloween has started early this morning"
Guy Ritchie
Rocco Ritchie and Guy Ritchie attends the UNICEF Halloween Ball at One Mayfair on Oct. 30, 2014, in London.
Lori Loughlin
Actress Lori Loughlin of "Full House" fame, left, posted this photo on Instagram on Halloween.
Jessica Alba
Jessica Alba channeled her inner rocker when she and a friend dressed up as Guns 'N Roses. She instagrammed, "#axlandslashforever #welcometothejungle"
Jenny McCarthy
Jenny McCarthy celebrates with husband Donnie Wahlberg, left, her father Dan "Macky" McCarthy and rapper T.I. during a Halloween Costume Party hosted by Jenny McCarthy to celebrate the launch of her new exclusive live daily SiriusXM Show "Dirty, Sexy, Funny with Jenny McCarthy" at SiriusXM Studios on Oct. 29, 2014, in New York.
Ryan Seacrest
Ryan Seacrest took on a different persona, captioning this pic on Instagram: "Heading into the lab! #madscientist"
Paris Hilton
Paris Hilton donned a blue bunny costume for Halloween 2014, posting this photo on Instagram with the caption: "#BunnyLove."
Matthew Morrison
"Glee" star Matthew Morrison threw his annual Halloween bash and tweeted this photo. He and his new wife, Renee Puente, donned "Pulp Fiction" costumes, just in time for the movie's 20th anniversary.
Colton Haynes
Actor Colton Haynes was unrecognizable as "Shrek" character Princess Fiona. He posted this photo on Instagram, along with the caption: "Fifi danced her crown off last night. So much fun :) Makeup by @erikporn @rbfx @pocketstylistxx"
Chris Colfer
"I went to a Halloween party once. It was terrible. #GrumpyCat"
Chris Colfer instagrammed this photo of his Halloween costume of choice this year -- Grumpy Cat. Though Colfer's costume works, we are way more into that cutie cat.
Lucy Hale
Actress/singer Lucy Hale posted this photo on Instagram with the caption: "This year I go as the Twitter bird."
Naya Rivera
Actress Naya Rivera dressed up as a mail order bride, while her new husband, Ryan Dorsey, donned a mailman get-up. She captioned the pic on Instgram: "Always a Dorsey."
Cara Delevingne
Actress/model Cara Delevingne sported a blue wig and yellow hat in this photo posted on Instagram. She wrote,"No planning, just matching."
Cindy Crawford and Rande Gerber
Cindy Crawford and husband Rande Gerber took on a former celebrity couple for their costumes: Cher and Gregg Allman. Crawford wrote on Instagram: Early Halloween! #cher and #gregallman"
Molly Sims
Model Molly Sims took to Instagram to post a photo of her Halloween costume: "Momma's gotta make a livin! #pregogogo #70's knocked up @casamigos."
Kate Hudson
Actress Kate Hudson posted this pre-Halloween bash photo with some stellar Day of the Dead face paint on Instagram, writing, "Thanks @christianthemua_ for this insanely fun make up! Have a beautiful weekend everyone!"
Kate Hudson
Looking smokin' hot, Kate Hudson got into the Halloween spirit again, captioning this Instagram pic with: "The Hudson's unite! Thank u @hudsonjeans_pk @hudsonjeans for making these killer costumes a reality"
Miley Cyrus
Miley, are you under there? Pop star Miley Cyrus posted this close-up shot on her Instagram account in the days leading up to Halloween 2014.
Kelly Osbourne
Kelly Osbourne went as Magenta from "The Rocky Horror Picture Show," alongside her hairdresser as Riff Raff.
Hugh Hefner
Hugh Hefner and Crystal Hefner attend Playboy Mansion's Annual Halloween Bash at The Playboy Mansion on Oct. 25, 2014, in Beverly Hills, California.
Jessica Simpson
Who says you can't get into the spirit a little early? Jessica Simpson and her husband, Eric Johnson, jumped into costume a couple of weeks before the holiday. Simpson posted this pic on Instagram along with the caption: "When your husband doesn't have a mask... A Hanky Panky lace option will be the hit of the party!!!"
Mark Salling
"Glee" actor Mark Salling, left, tweeted, "I can't believe I won. All those years in pageant school finally payed off."
Demi Lovato
Demi Lovato rocked a costume and posted a pic on Instagram, writing, "Tonight was so much fun... Impromptu Halloween end-of-tour costume party with everyone a part of #demiworldtour"