Celebrity Star Halloween Costumes! From Nick & Vanessa's monstrous wedding to Speidi's Jon and Kate mashup, check out the silly, sassy and spooky Halloween getups of the stars! By People Staff Published on October 26, 2009 11:00 AM Share Tweet Pin Email Trending Videos 01 of 18 NICK LACHEY & VANESSA MINNILLO Christine Chang Dressed as Frankenstein and his bride, Nick Lachey and Vanessa Minnillo get into the spirit of the season by hosting a haunted mansion-themed Halloween party Friday in Bel-Air thrown by L.A.'s The Party Goddess! Marley Majcher. 02 of 18 CHRISTINA AGUILERA Ramey Talk about a skeleton crew! Christina Aguilera and son Max, 21 months, play skull and bones dress-up to attend a Halloween party in Los Angeles on Saturday. 03 of 18 PARIS HILTON MAXA /Landov No, we're not in Kansas anymore! Paris Hilton puts a sexy spin on Dorothy from the Wizard of Oz as she gets set to make an appearance on Jimmy Kimmel Live! Friday in Los Angeles. 04 of 18 HEIDI MONTAG & SPENCER PRATT Nathanael Jones/Pacific Coast News It's The Hills Plus 8! The reality twosome dressed up as embattled reality couple Jon and Kate Gosselin – complete with baby dolls! – in L.A. 05 of 18 THE TODAY SHOW CAST Janet Mayer/Splash News Online Keeping up with their tradition of elaborate Halloween costumes, the Today show cast used the force, dressing up as characters from Star Wars. (That's Ann Curry as Darth Vader!) 06 of 18 GWEN STEFANI & GAVIN ROSSDALE Max Butterworth/Bret Thompsett/Pacific Coast News See who looks dino-mite! Kingston Rossdale, 3, shows off his prehistoric costume while being pushed by mom Gwen Stefani, who dressed as Toy Story cowgirl Jessie, for a trick-or-treating outing, which also included dad Gavin Rossdale and little brother Zuma, 14 months, in Los Angeles on Saturday. 07 of 18 MICKEY ROURKE Planet Photos/Zuma In a white suite and pale face makeup, the actor went as, well, a pale Mickey Rourke for a Halloween party at Club Voyeur in West Hollywood. 08 of 18 JULIA STILES & ALEXA CHUNG Scott Gries/PictureGroup Let them eat ... Halloween candy? Stiles got into the Halloween spirit, dressing up as Marie Antoinette during a visit to It's On with Alexa Chung. The host, meanwhile, went more traditional, going with a pumpkin costume. 09 of 18 ELLEN DEGENERES Mike Rozman/Warner Bros. Now that's one way to be a cover girl! The talk-show host – who will appear with Oprah Winfrey on the cover of O Magazine in two weeks – gave her audience a preview of what that photo might look like. 10 of 18 RACHAEL RAY & NICK LACHEY David M. Russell/The Rachael Ray Show Click your heels three times and say, "There's no place like Vegas!" The TV chef dressed up as The Wizard of Oz heroine Dorothy – and Lachey embraces his inner Hound Dog as Elvis Presley – for an episode of The Rachael Ray Show. 11 of 18 TYRA BANKS Michael Loccisano/Warner Bros. For the Halloween-themed episode of The Tyra Banks Show, the model donned a wig and Kim Kardashian's signature pouty pose to channel the reality star. 12 of 18 JERRY & CHARLIE O'CONNELL Brian To/FilmMagic Cue the Jaws theme! Jerry (as Shamu) has a whale of a time with his brother Charlie (in the shark getup) this year at the Camp Ronald McDonald for Good Times 17th annual Halloween Carnival, held at the Universal Studios backlot in Calif. 13 of 18 MARIAH CAREY & NICK CANNON Henry Lamb/Photowire/BEImages The husband and wife went coordinated in 2008, first as a carton of milk and some (very sexy) cookies, and then as a fireman and (what else?) his very sexy mate at a Halloween bash they hosted at N.Y.C. hot spot Marquee. 14 of 18 LANCE BASS & KIM KARDASHIAN Noel Vasquez/Getty Look who Wonder Woman ensnared in her magic lasso! Dressed as the comic-book superhero Halloween '08, Kardashian stayed close to the new grad at L.A.'s Stone Rose, where the reality star cohosted a Halloween masquerade bash with PAMA. 15 of 18 KATY PERRY Alexandra Wyman/WireImage From kissing a girl to being Freddie Mercury? Katy Perry embraced her inner rock star at a bash in L.A., dressing up as the iconic Queen frontman in 2008. 16 of 18 THE SPELLINGS Michael Simon/Startraks What's the buzz about? Tori Spelling, son Liam and their family pooch all coordinated for a friend's Halloween party in L.A. as a happy honeybee trio, while dad Dean McDermott gets some "respek" as Sacha Baron Cohen's alter ego, Ali G. 17 of 18 JASON PRIESTLEY & FAMILY Sara De Boer/Retna The actor went back to his Canadian roots, dressing up as a mountie with his family, wife Naomi Lowde-Priestley and daughter Ava, then 1, at the 2008 Dream Halloween bash, held at the Barker Hangar in L.A. 18 of 18 BETHENNY FRANKEL AND JILL ZARIN Carvalho/Startraks The Real Housewives of New York City stars celebrated some infamous blondes at the 2008 Animal Fair magazine pet costume party in New York. Zarin dressed up as Elle from Legally Blonde, while Frankel rolled in as Boogie Nights' Rollergirl.