Celebs Dress Up for Halloween: Pictures

The Blonds attend Heidi Klum's 20th Annual Halloween Party in New York. Mike Coppola/Getty Images for Heidi Klum
Big Apple Circus Halloween Ball featuring attendees from RuPaul's Drag Race: Shangela; the evening's Ringmaster from House of Wadley, Vanessa Mateo from the House of Vanjie and Aquaria from The House of Aquarius in New York City. Randy Brooke/Getty Images for Big Apple Circus
Mariah Carey attends Heidi Klum's 20th Annual Halloween Party. Craig Barritt/Getty Images for SVEDKA
Hoda Kotb dressed as Tony Manero of "Saturday Night Fever" during NBC's "Today" Halloween celebration at Rockefeller Plaza. Roy Rochlin/Getty Images
Heidi Klum at her Halloween party in New York City. JNI/Star Max/GC Images
Heidi Klum is fitted for her Halloween costume in front of an Amazon store in New York City. Raymond Hall/GC Images
Michael Douglas and Catherine Zeta-Jones attend Bette Midler's Hulaween To Benefit NY Restoration Project in New York City. Ben Gabbe/Getty Images for NY Restoration Project
Jamie McCarthy at Heidi Klum's Halloween Party. Mike Coppola/Getty Images for Heidi Klum
Coco Austin and Ice-T at the Heidi Klum Halloween Party. JNI/Star Max/GC Images
Karlie Kloss at the Heidi Klum Halloween Party. JNI/Star Max/GC Images
Jamie McCarthy, Megan Thompson, Kelly Castriota, Tiffany Trulli-Briganti, Dimitrios Kambouris and Kevin Mazur attend Heidi Klum's 20th Annual Halloween Party. Mike Coppola/Getty Images for Heidi Klum
Jane Krakowski attends Bette Midler's Hulaween To Benefit NY Restoration Project. Ben Gabbe/Getty Images for NY Restoration Project
Nicky Hilton Rothschild at the Heidi Klum Halloween Party. JNI/Star Max/GC Images
Neil Patrick Harris and David Burtka attend Heidi Klum's Halloween Party. Gotham/FilmMagic
Camille Kostek at the Heidi Klum Halloween Party. JNI/Star Max/GC Images
Al Roker dressed as Carlton Banks of "The Fresh Prince of Bel Air" during NBC's "Today" Halloween Celebration at Rockefeller Plaza. Roy Rochlin/Getty Images
Cyndi Lauper and Bette Midler attend Bette Midler's Halloween party. Ben Gabbe/Getty Images for NY Restoration Project
Brian Keys and Hunter McGrady attend Heidi Klum's Halloween Party. Craig Barritt/Getty Images for SVEDKA
Savannah Guthrie on the 'Today' Show. Jose Perez/Bauer-Griffin/GC Images
Martha Hunt at the Heidi Klum Halloween Party. JNI/Star Max/GC Images
Drew Barrymore, right, at Heidi Klum's annual Halloween party. Gotham/GC Images
Bette Midler, Clive Davis and Joan Collins attend Bette Midler's party. Ben Gabbe/Getty Images for NY Restoration Project
Janelle Han and Sean West attend the Nasty MANsion of BOO Halloween Party in Sydney. Lisa Maree Williams/Getty Images for Boohoo
Slick Rick attends Heidi Klum's Halloween Party. Noam Galai/Getty Images for Heidi Klum
Katie Couric attends Bette Midler's party. Ben Gabbe/Getty Images for NY Restoration Project
Thomas Hayo attends Heidi Klum's party. Mike Coppola/Getty Images for Heidi Klum
Mariah Carey, Heidi Klum and Misty Copeland at Heidi Klum's 20th Annual Halloween Party. Mike Coppola/Getty Images for Heidi Klum