Heidi Klum is keeping fans guessing by sharing a glimpse into her grotesque Halloween costume for the 2026 edition of her annual party.

The 53-year-old supermodel, known for her unwavering commitment to spooky season , has unveiled a look at this year’s outfit with what appears to be a close-up image of textured, flesh-like prosthetic makeup.

“What’s my costume?” Klum captioned her Instagram post. “One week to go….#HeidiHalloween.”

The image – not advised for those who are squeamish – is a close-up shot of the several prosthetic creations that loosely resemble human organs, though some fans have likened it to sea organisms.

“Sea urchins or sea cucumber or Ursula from The Little Mermaid, ” one fan guessed.

Another suggested it could be a Clicker, which is the third stage of Cordyceps fungus infection in the supernatural series The Last of Us .

“Looks like organs,” remarked one fan, as another said: “Something underwater.”

Others suggested it could be a reference to The Substance , the body horror in…