A year ago she and a group of friends also did the whole "Thriller" dance at a Halloween party, further proving her dedication to the holiday.
The America's Got Talent judge has always reigned supreme over Halloween, but this year her Shrek costume proved to be extra magical (with a hint of fairy-tale dust).
In previous years, Klum has stunned crowds with prosthetic transformations that have left her completely unrecognisable.
US, Turkey Begin Joint Patrols in Syria's Manbij
Earlier this week, Erdogan increased threats to launch a major offensive against Syrian Kurdish fighters near the Euphrates River. At the time, the SDF said it sent its fighters to defend the enclave, and accused Turkey of jeopardizing the anti-ISIS campaign.
Heidi has been teasing her highly-anticipated look for days, reliving some of her favourite outfits from the past with her followers on Instagram. They also brought along ogre babies in a pram to the red carpet. She revealed, "I said, 'Babe, what do you think about being my Shrek?' and he said, 'Yeah, I'd love to be your Shrek.' He was pretty much on board immediately, so I was very excited about that".
Her costume was given a helping hand with incredible movie standard prosthetics which helped her facially transform into a convincing ogre complete with ears, nose and even green boobs!
Klum and Kaulitz with Shrek voice actor Mike Myers.
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When students were allowed to leave, the video showed students streaming out, with many crying and hugging parents. Authorities say a student shot and wounded another student at a North Carolina high school before being arrested.
Judging by the reaction on Twitter, it seems fans were not disappointed by her latest offering.
The Halloween tradition dates back thousands of years originally to a Celtic Festival where people wore costumes to keep ghosts away, and later All Hallows' Eve, the night before the Catholic Festival All Saints Day.
One person said: "Well Heidi Klum has won Halloween yet again!"
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Later in the day, the newlyweds will head to Abel Tasman National Park, which sits at the northern end of the South Island. Harry and Meghan each had two children on their team and took it in turns throwing boots as other pupils cheered them on.