It's the spookiest time of the year - Heidi Klum's 24th annual Halloween party. The German supermodel held her festive bash at New York City's Hard Rock Hotel on Friday, October, 31, where she came dressed as a scary version of Medusa. (The fictional monster, according to Greek mythology, can turn men to stone with just one withering glance.) "Everything is hand-painted," Klum told E! News of her costume. "About 15 people have been working on this, and I think they did a fantastic job.