Loads of stars dressed up in awesome costumes for Halloween on Saturday! From grown ups enjoying evening fun like Alexa and Agyness at the Heroes vs. Villains bash and Kelly and Luke at Heidi and Seal's party, to families trick-or-treating like the Stefani-Rossdales and Christina, it was a fancy dress fest. Check out my sideshow to see all of the other outfits too, from Paris and Doug to Twilight and Gossip Girl stars!
Celebrities Dress Up For Halloween!
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