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Heidi Klum

WEST HOLLYWOOD, CA - OCTOBER 31: Heidi Klum arrives to her 10th Annual Halloween party held at Voyeur on October 31, 2009 in West Hollywood, California. (Photo by Michael Tran/FilmMagic)

Heidi Klum's 13 best Halloween costumes

Yahoo Celebrity

Heidi Klum really loves Halloween! Every year since 1999, the "Project Runway" host has gone all out when it comes to her costume. Take a look back ... if you dare.