Paris Hilton
The heiress cuts a lovely firgure as she dons a She-Ra outfit for a Halloween bash in Beverly Hills.
Ice-T & Coco
The E! reality stars host a bash LAX Nightclub in Vegas. Orange you glad they did?
Kendra Wilkinson Baskett
Working the sexy mobster look, the reality star hosted a hot Halloween bash at LAX Nightclub in Las Vegas. A pin-stripe pinup!
Scott Disick
The reality star is no altar boy but he's doing Halloween as a priest, taking confessions at Sugar Factory in Vegas.
Kevin & Danielle Jonas
Tinkerbell and peasant boy make a lovely couple at The Pool After Dark's Halloween party at Harrah's resort in Atlantic City.
J Woww
The curvy Jersey Shore lady is living in a guidette gangster's paradise at the Sugar Factory in Las Vegas.
Sara Haines, Chris March, Izzy Decauwert, Christine Brown, Wendy Diamond & Lucky
The Today correspondent and the Mad Fashion stars (with Izzy as Bewitched's Isadora and Christine flying high as a Pam Am stewardess) give paws up to Animal Fair's 11th Annual Howloween Pet Costume Benefit for the Humane Society.
Lou Reed
Yikes! Is the Grim Reaper taking this pup?! Nope, the rocker is just showing his support for Animal Fair's Humane Society benefit.
Jake Pavelka
Say cheese? Um, Not so much. The Bachelor Pad star told E! News at the Six Feet Deep bash at the Hollywood Forever Cemetary, "I'm a vampire. I'm not supposed to smile."
Katrina Bowden
The 30 Rock actress is the hostess with the mostest at the Skater Zombies and Surfer Chicks Halloween bash in NYC.
Christian Serratos
She's staying incognito at the Six Feet Deep bash in H'wood, but soon enough the Twilight star will be in the biggest spotlight in the world when Breaking Dawn: Part 1 premieres!
Simon Rex
The Scary Movie 3 star gets his Jigsaw Killer on at the Six Feet Deep party.
Joan Rivers, Kelly Osbourne, George Kotsiopoulos & Giuliana Rancic
The Fashion Police hosts take on their subjects once again. Can you guess which celebs they're supposed to be?
Jerry Springer & Rachael Ray
Yikes! The talk show host channeling Lady Gaga while appearing on Rachael Ray is almost as scary as some of Jerry's guests on his program.
Lisa Rinna & Harry Hamlin
Shiver me timbers! The pirate couple and their kids man the deck red carpet at the Camp Ronald McDonald for Good Times Halloween Carnival.
Rico Rodriguez
Modern Family's funnyboy and his new pal Scooby Doo look like they are about ready to search for some Scooby Snacks. Would you like a cappuccino with that, Manny?
Cheryl Hines
The Curb Your Enthusiasm darling channels her inner Medusa princess at the Camp Ronald McDonald for Good Times Halloween Carnival.
Jenni "J-Woww" Farley
Nice pumpkins! The Jersey Shore star goes trick or treating early in her Svedka Bot costume.
Al Roker
The TV personality gets into the spirit of the season on The Nate Berkus Show, but we're sure he'll go all out with his costume for Today's Halloween special.
Martha Stewart & Justin Long
The Going the Distance star gets ghoulish for the daytime host's prime-time Halloween special on the Hallmark Channel.
Katy Perry
The usually sunny California Gurl tweeted a photo of herself going incognito at Knott's Scary Farms' annual Halloween extravaganza in Buena Park, Calif.
Kim Kardashian
Halloween 2010
After tweeting a few costume possibilities, Kimmy finally decides on Little Red Riding Hood—all sexed up, natch—for Heidi Klum's bash in NYC.
Harrison Ford & Calista Flockhart
The hubby's nun costume is all fine and good, but it's wifey's padded Miss Piggy costume that's really cute.
Matthew Morrison
Are you still hot for teacher after seeing Glee's Mr. Schuester in this Richard Simmons costume?