To get her spooky look, the supermodel sported dramatic horns, long whiskers and claws, as well as a two-toned wig.
It took a team of makeup artists from the studio ProRenFX seven hours to turn the 44-year-old mom of four into the werewolf, complete with prosthetic teeth and yellow contact lenses.
Every year the supermodel hosts her own Halloween party and blows everyone away with her wonderful costumes, and this year will be the 18th annual Heidi Halloween Party.More news: Ever regretted sending a WhatsApp message? Now you can delete it
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As the werewolf half of Jackson's Jekyll-and-Hyde persona, she also made sure to lavish plenty of FX attention on her retinue of zombified dancers. "Obviously, I'm not as good as Michael, no one ever will be as good as Michael, but I really tried my hardest".
Last year, Klum came with her own troupe of clones. Heidi teased her look on her Instagram as fans eagerly guessed who or what she could be. Klum decked herself out as a replica of Michael Jackson's monster from the "Thriller" video!
"I'm going to wear a lot of prosthetics".
NEW YORK, NY - OCTOBER 31: (L-R) Dimitrios Kambouris, Heidi Klum and Anastasia Machekhina attend Heidi Klum's 18th annual Halloween Party presented by Party City at the Magic Hour Rooftop Bar & Lounge on October 31, 2017 in New York City. She posted a time-lapse video showing the application of her smokey eye on top of the rugged prosthetics. because even zombie werewolves like a little added glamour.