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

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JENNIFER LOPEZ & CASPER SMART

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

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

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

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

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

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

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

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

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

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

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.

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AVRIL LAVIGNE

AVRIL LAVIGNE
Courtesy Avril Lavigne

"Anchors away!" Tweets Lavigne, who ships out for Halloween as a saucy sailor.

13 of 38

JENNY MCCARTHY

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.

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CHLOË MORETZ

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

JACK OSBOURNE
Courtesy Jack Osbourne

Soldier Osbourne gets freaky when he puts on wife Lisa's blue wig.

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DEBRA MESSING

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

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

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

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

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

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

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

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

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

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.

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RYAN SEACREST & JULIANNE HOUGH

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

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

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

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.

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SHENAE GRIMES

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

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

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

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

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.

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NEIL PATRICK HARRIS

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.

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FERGIE & JOSH DUHAMEL

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.

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CHRISTINA AGUILERA

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.

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KIM KARDASHIAN

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.

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