Heidi Klum's Halloween: Kate Upton, Fergie, Michelle Tractenberg and more come out to play
Among the other guests include model Kate Upton, who appears below to have gone as a slutty skeleton; Kyle MacLachlan, who is ... dressed as Cheez Whiz?; Fergie, who awesomely dressed up as a girl from "Toddlers and Tiaras"; and Michelle Tractenberg, who is also awesomely dressed as Sally from "The Nightmare Before Christmas."
Halloween is such a fun holiday. Whose costume is your favorite?