Heidi Klum is the queen of spooky Halloween costumes. Klum, 52, revealed her 2025 Halloween costume at her annual party in New York City on Friday, October 31. For the holiday, she dressed up as Medusa, the mythical snake-haired creature who is able to turn people to stone with just her gaze Her costume featured intricate and scary-looking detailing that covered her entire body, with Klum even sporting a tail. The America's Got Talent judge made her look even more realistic with prosthetics, including the snakes atop her head in place of her hair, which wriggled and moved individually.