Heidi Klum Halloween Party 2026: The Celebrity Night Behind Halloween’s Most Anticipated Costume Reveal

Heidi Klum Halloween Party 2026 is set to take over Halloween night in New York on October 31, continuing a tradition that has made her annual celebration one of the most closely watched events of the season. Behind the doors, celebrity guests, music, and entertainment set the pace for the night. Yet before the party even begins, all eyes are on one thing: what Heidi Klum will become this year.

Since hosting her first Halloween party in New York in 2000, Klum has transformed the annual costume reveal into a performance of its own. Months of preparation, elaborate prosthetics, and special-effects makeup have produced some of Halloween’s most memorable transformations, while the party itself draws a guest list spanning fashion, film, music, and entertainment.

Recent editions have welcomed names including Darren Criss, Coco Jones, Ariana Madix, Ice-T, Famke Janssen and Questlove. The costumes range from elaborate transformations to fashion-led interpretations of familiar characters, but Halloween is taken very seriously here.

Heidi Klum Makes the Costume Reveal Part of the Night

For Klum, the Halloween look goes far beyond dressing as a recognizable character. The transformation is conceived from head to toe. Her face, proportions, and silhouette often change until very little of the model herself remains visible.

Over the years, she has appeared as an enormous worm and an elaborate peacock surrounded by Cirque du Soleil performers. She has also transformed into E.T. Then, in 2025, she turned to Greek mythology as Medusa. Full-body prosthetics, moving snakes, and a rattlesnake tail completed the transformation. Meanwhile, her husband, Tom Kaulitz, joined the scene as one of Medusa’s petrified victims.

Naturally, the reveal has become part of the anticipation surrounding the party. Klum keeps the final look secret until Halloween night. Yet preparations can begin months in advance. For 2026, she has already hinted that another ambitious transformation is underway. The character, however, remains a secret.