People.com Celebrity Haunted Hollywood! Star Costumes of 2012 From Selena Gomez's pretty kitty to Miley Cyrus's hip-hop transformation, see famous faces in this year's disguises By Helin Jung Published on November 1, 2012 01:30 PM Share Tweet Pin Email 01 of 38 JENNIFER LOPEZ & CASPER SMART Courtesy Jennifer Lopez How about a little peace and J. Love? Lopez and her beau don't let a little thing like being on a world tour stop them from celebrating Halloween, rocking some serious flower power all the way from Oberhausen, Germany. 02 of 38 KATY PERRY Courtesy Katy Perry "Every cloud has a smoky gray lining," as Jane Lane would say, and Perry looks the part, accompanied by Daria, played by real-life best friend Shannon Woodward, at a Los Angeles party. 03 of 38 NEIL PATRICK HARRIS Courtesy Neil Patrick Harris They're off to see the wizard! Harris, partner David Burtka and their 2-year-old twins, Harper and Gideon, are ready to follow the yellow brick road. 04 of 38 KIM & KOURTNEY KARDASHIAN Ralph Notaro / Splash News Online Holy skintight costumes, Batman! Kardashian sisters Kim and Kourtney pair up as Bat(wo)man and Catwoman for Kim's Halloween Birthday Bash at Miami's LIV nightclub at the Fontainebleau Hotel. 05 of 38 MARIAH CAREY & NICK CANNON Courtesy Mariah Carey They were all just right: Carey is the Goldilocks to her three bears, played by Cannon and 18-month-old twins Moroccan and Monroe. 06 of 38 THE ROCK Courtesy Dwayne Johnson If anyone could convincingly play the Hulk, it's Dwayne Johnson, who Tweets a warning: "Don't make angry. You wouldn't like me when I'm angry." 07 of 38 SANDRA BULLOCK FameFlynet To infinity ... and beyond! Bullock keeps her hat on as Toy Story 2's Jessie, while son Louis, who turns 3 in January, has her back as Buzz Lightyear. 08 of 38 THE HANNIGAN-DENISOFS London Entertainment/Splash News Online Sea horse crossing! Hannigan, husband Alexis Denisof and their two little girls, 3½-year-old Satyana and 4-month-old Keeva, go trick-or-treating in their L.A. neighborhood as one big, glittery family. 09 of 38 SELENA GOMEZ Courtesy Selena Gomez Meow! Gomez brings her red-manicured claws out as she wishes fans a happy Halloween. 10 of 38 LEANN RIMES Courtesy Leann Rimes Sandy makes an appearance on the West Coast thanks to Rimes, who snuggles up to her Danny, husband Eddie Cibrian. 11 of 38 CALISTA FLOCKHART & HARRISON FORD INF The couple that dresses up together, stays together? For a night out in L.A., Ford and Flockhart coordinate frumpily as Betsy and Timmy. 12 of 38 AVRIL LAVIGNE Courtesy Avril Lavigne "Anchors away!" Tweets Lavigne, who ships out for Halloween as a saucy sailor. 13 of 38 JENNY MCCARTHY STARPICZ/Splash News Online Forget 40 is the new 30 – 40 is the new sexy for McCarthy, who celebrates her milestone birthday with a purr in Las Vegas. 14 of 38 CHLOË MORETZ Bauer-Griffin The 15-year-old actress goes to town in her witchy getup, enjoying Halloween in London at Ross's star-studded event. 15 of 38 JACK OSBOURNE Courtesy Jack Osbourne Soldier Osbourne gets freaky when he puts on wife Lisa's blue wig. 16 of 38 DEBRA MESSING Rolf Mueller/face to face Let them eat cake! Messing puts on a towering wig for Bette Midler's annual Halloween party in New York. 17 of 38 MILEY CYRUS Courtesy of Miley Cyrus Getting down with a mini Nicki Minaj was just a preview of what was to come: Miley Cyrus fully embodies the American Idol judge, from yellow wig to leopard bodysuit, for her homage to Minaj. 18 of 38 JESSICA SIMPSON Courtesy of Jessica Simpson Ding dong, someone has her body back! Asking "Trick or Treat?" Simpson poses as a sexy ... milkmaid? Owner of a ski chalet? In another portrait, she is joined by fiancé Eric Johnson, who appears as William Wallace from Braveheart, and daughter Maxwell Drew, who dressed as a chicken. 19 of 38 KATHERINE HEIGL Courtesy of Katherine Heigl How frightfully lovely! At a Halloween party she hosted at home, Heigl comes to life as a corpse bride, and is joined by Cleopatra and daughter Naleigh as a peacock (in a Mom-made tutu!). 20 of 38 THE TALK Cliff Lipson/CBS For a spooky tumble down the rabbit hole, the hosts of The Talk went all-out. Sara Gilbert played Alice, Julie Chen was the Mad Hatter, Sharon Osbourne was none other than the Queen of Hearts, Aisha Tyler was the Cheshire Cat and Sheryl Underwood rounded out the group as the White Rabbit. 21 of 38 MARK BALLAS Splash News Online Elmo loves Mark! The Dancing With the Stars pro brings some Sesame to Elm Street at a party in Hollywood. 22 of 38 JESSICA ALBA Courtesy of Jessica Alba It's the Incredibles! Alba puts on her superhero tights and makes Halloween a family affair with husband Cash Warren and 4-year-old daughter Honor. 23 of 38 HILARY DUFF AKM-GSI Why so shy? With skull makeup (almost) masking her mug, Duff enjoys a Halloween party in Beverly Hills, Calif. "Yaaaaa! Day of the dead crazy!" she Tweeted about her makeup. 24 of 38 RICKI LAKE Courtesy of Ricki Lake Channeling old-school Cher, the talk show host tapes a Halloween-themed episode of The Ricki Lake Show surrounded by audience members in costume. 25 of 38 DARREN CRISS AKM-GSI Scout's honor! Glee star Darren Criss looks ready for an expedition in the woods at costar Matthew Morrison's Halloween party in West Hollywood. 26 of 38 RYAN SEACREST & JULIANNE HOUGH AKM-GSI Trick-or-treat? More like, "Stick 'em up!" Seacrest acts as the Clyde to girlfriend Hough's Bonnie at a Beverly Hills party. 27 of 38 STACY KEIBLER Courtesy of Stacey Keibler She's ready to seduce with her eyes! Keibler shows off the intricate mask she wore to host a Sin City masquerade party. 28 of 38 DIDDY Bauer-Griffin Time for some Purple Rain? Diddy gets sexy as Prince for Hugh Hefner's Halloween party in Los Angeles. 29 of 38 HEIDI KLUM How does Heidi top Heidi? For her annual Halloween blowout, Klum opts to go "Big. Gold. Glittery" as the Queen of the Nile, Cleopatra. 30 of 38 SHENAE GRIMES Christopher Polk/Getty Halloween is so Monster High. For Matthew Morrison's party in Hollywood, the 90210 star shows up looking like Frankie Stein from head to toe, thanks to a costume designed by Project Runway alum Chris March. 31 of 38 CHRIS COLFER & ASHLEY FINK AKM-GSI Also at Morrison's party, Glee costars Colfer and Fink conspire as a llama assassin (complete with brass knuckle hooves) and a bunch of grapes, respectively. "You know its a good Halloween party when even the farm animals are grabbing yo' grapes!" Fink Tweeted. 32 of 38 DEREK HOUGH AKM-GSI From DWTS pro to Jedi master! Hough has Yoda on his back and a lightsaber in his hand for a party in Beverly Hills. 33 of 38 CHRISTINA MILIAN AKM-GSI Who's the Queen of Hearts? The singer goes for a touch of Alice in Wonderland (without the anger-management issues) at Morrison's Halloween party in Hollywood. 34 of 38 TRISHA YEARWOOD Courtesy of Trisha's Southern Kitchen on Food Network It's Hotter Than Hell in this kitchen! The country singer and Food Network star (third from left) gets surprised by husband Garth Brooks (not pictured) and their daughters, August (far left) and Allie Brooks (second from left), who helped their mom get into character as rock band KISS. 35 of 38 NEIL PATRICK HARRIS AKM-GSI An ab-tastic Harris cries vampire tears when he and partner David Burtka (not pictured) step out for a frightful night in Hollywood. 36 of 38 FERGIE & JOSH DUHAMEL FameFlynet Guess which famous blonde gave Fergie her Halloween inspiration? L.A.'s billboard model, Angelyne! The singer's husband backs her up in Beverly Hills, as Dennis Woodruff, another eccentric Los Angeles character. 37 of 38 CHRISTINA AGUILERA Pacific Coast News The queen's got her knight in shining armor! Christina Aguilera poses with boyfriend Matthew Rutler outsider her Beverly Hills home. 38 of 38 KIM KARDASHIAN Seth Browarnik/StarTraks She was the hostess with the most – expensive wig, that is. While getting spooky at the 2nd annual Midori Green Halloween in N.Y.C., Kardashian morphs into a mermaid, complete with blonde tresses that cost $2,000.