The celebrities were out and about for 2007 Halloween season strutting their baddest costumed stuff. A lot of lame pirates and witch hats... nothing too interesting. Paris Hilton was back to her professional party form donning no less than four separate costumes. Sailor slut, Alice in Wonderland slut, Jailbait slut and Army slut. Last year it was slutty cop and just plain slut. My bet is next year she does slutty geisha, slutty nun, slutty teacher and slutty candy striper... I mean candy stripper. Frederick's of Hollywood... are you listening? Get crackin' on next year's exclusives!

The rest of la-la land was partying too. Lots of families out and about decked out in their costumes. Heidi Klum hosted her annual party dressed as a sexy cat... while Kate Hudson played hostess with the mostess at her boo-dacious bash. Dennis Rodman donned his drag, little Doogie Howser turns demented party clown and Britney Spears dresses as the white trash version of herself. Yes, folks, that's possible! Lots more pictures after the jump..... Ellen DeGeneres, Christina Aguilera, Teri Hatcher, Jake Gyllenhaal, Reese Witherspoon and more, more, more!

Dennis Rodman • Neil Patrick Harris  

Ashley Olsen  •  Avril Lavigne 

Britney Spears • Carson Daly in banana suit


Chloe Sevigny as Joan of Arc • Christina Aguilera and Jordan Bratman


Denise Richards with daughters Lola and Sam • Ellen DeGeneres as pregnant J. Lo


Gina Gerson • Heidi Montag and Spencer Pratt (as idiots of course)


Heidi Klum as a cat • Pimp Ice-T


Jake Gyllenhaal as a gorilla • Jamie Lee Curtis


Jennifer Meyer • John Legend


Kate Beckinsale and daughter Lola • Kelly Ripa and daughter Lola and son Joaquin


Kate Hudson and Kurt Russell


Kyle McClachlan  •  Liv Tyler, Roysten Langford and son Milo


Matt Lauer and Al Roker as Hermann and Grandpa Munster


Petra Nemcova as Cleopatra • Quentin Tarantino


Reese Witherspoon • Regis Philbin and Kelly Ripa as the Beckhams


Rumer Willis • Roberto Cavalli as Karl Lagerfeld • Stacy Kiebler


Rosie O'Donnell and Martha Stewart on Martha's show


Teri Hatcher and her daughter Emerson • Tori Spelling & Dean McDermott with son Liam

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Take a look at last year's costumes (2006)