Heidi Klum rolls into Halloween.<br/> The so-called queen of costumes was literally uncovered as the visible woman at her 12th annual Halloween party in Las Vegas.<br/> The German supermodel said make-up for the anatomy lesson took roughly 4 hours.<br/> Klum will also take on another role this Halloween as the 2011 Trick-or-Treat for UNICEF Ambassador.<br/> As this year's representative, Klum will serve as the spokesperson for the first ever online Trick-or-Treat for UNICEF Costume Party.<br/> Inside the party Klum shaked her skelton frame to hits spun by DJ Questlove.<br/> Happy Halloween.<br/> Alicia Powell, Reuters.
