Heidi Klum unveils Halloween costume as ET with husband Tom Kaulitz

The Queen of Halloween, Heidi Klum, was “out of this world” on the spooky holiday.

The supermodel delighted fans this year with her highly anticipated and extravagant Halloween costume as she transformed into the character ET from Steven Spielberg's 1982 sci-fi classic ET the Extra-Terrestrial.

Her extremely elaborate costume included a black hat, a blonde wig and a red scarf. The 51-year-old hit the red carpet with his “younger husband” Tom Kaulitz, who wore a more traditional ET outfit.

The Halloween couple posed in front of a grassy field using a fog machine for a spooky effect.

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Heidi Klum delighted fans this year with her highly anticipated and extravagant Halloween costume as she transformed into the character ET from Steven Spielberg's 1982 sci-fi classic ET the Extra-Terrestrial. (TheStewartofNY/WireImage/Getty Images)

Klum shared her inspiration on social media and what motivated her to dress up as the iconic aliens.

“As a 9-year-old in Germany, ET introduced me to the idea that there is life outside of planet Earth,” she said in part on Instagram, accompanied by a behind-the-scenes video of her costume.

“America's Got Talent” judge Heidi Klum revealed her most anticipated holiday ensemble for this year, as she previously hinted it would be “otherworldly.”

“I know ET wanted to go home, but I hope that if the movie was set in 2024, my favorite alien would come to my party instead.”

Tom Kaulitz (left) and Heidi Klum attend Heidi Klum's 23rd annual Halloween party. (Noam Galai/Getty Images)

“Thank you to my husband for being the best sport and always dressing up with me year after year…”

Klum's comments come after she gave fans a glimpse into her sex life with her 35-year-old husband.

Heidi Klum (right) thanked her husband for always supporting her in dressing up in elaborate Halloween costumes.

During an interview with British newspaper The Times, she made cheeky remarks about her intimate relationship with her boyfriend and how she maintains her fit body.

“Sport en chambre is my favorite exercise – it sounds better in French. I have a younger husband,” Klum admitted.

The French expression can be loosely translated as “bedroom sport”.

Heidi Klum and her German guitarist husband have been married since 2019. (Getty Images)

“I also run around a lot because I have four children. I don’t have an assistant so I don’t have to have people packing for me or carrying my things, I do everything myself,” she added.

“I eat right, never exercise too much and never train with heavy weights. People can try too hard. I listen to my body. I don’t have any back or knee pain and I have my husband.”

When asked about her sex life, she replied: “Very good. My husband suits me.”

Klum and her German guitarist have been married since 2019.

When asked about her sex life, Heidi Klum replied: “Very good. My husband is my partner.” (STEFANO RELLANDINI/AFP via Getty Images)

Meanwhile, Kaulitz has accompanied Klum over the years in her exaggerated Halloween costumes.

The “America's Got Talent” judge previously teased her holiday ensemble on Fox News Digital, describing her costume as “otherworldly.”

“I can't give too many little hints because I don't want people to know… I really love having a surprise at the end of the day,” Klum shared.

German supermodel Heidi Klum has previously debuted her Halloween costume on Fox News Digital, as she has worn extravagant costumes in previous years. (Getty Images)

The cover girl explained that she always wants to keep her costume a secret so people have lower expectations.

“I love it when people see this for the first time and think what they want to think when I walk on the red carpet,” she said. “I never like to share it beforehand because then people will say, 'Oh, it wasn't as good as I thought it would be.'”

Klum, who throws huge Halloween parties every year, took to social media to share a look at her costume this year.

WATCH: HEIDI KLUM hints her top secret Halloween costume is 'otherworldly'

“To all the costumes I've loved before…you'll never know what this year has in store…see you at #HeidiHalloween 2024,” Klum wrote with a video montage of her previous Halloween costumes.

The video ended with a possible joke as she shared what appeared to be a 3D video print of her year's costume. The text reads: “2024?”

“Smiling on the outside…fearful and claustrophobic on the inside…Our couple costume is going to be tight,” the former Victoria's Secret model wrote in another Halloween post that was teased on Instagram.

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The black and white photo showed Klum smiling next to Kaulitz. She also tagged the social media site Prosthetic Renaissance in her post.

Klum previously shared a photo in which she wore a brown outfit and grimaced at the camera with her hands shaped into claws.

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“There's a clue here but I just can't put my finger on it…” the mysterious Instagram caption read.

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Last month she was seen holding a large statue wrapped in a trash bag.

“We're keeping it under wraps,” Klum teased in her Instagram caption.

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During the Halloween season, Klum is known for her penchant for epic looks.

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Last year, she wasn't afraid to ruffle a few feathers with her giant peacock costume. Klum needed an entourage to transform into her tail feathers.

Last year, Heidi Klum wasn't afraid to ruffle a few feathers with her giant peacock costume. (Getty Images)

Her husband walked the carpet next to her as an egg and made it into a themed couple's costume.

Heidi Klum's husband Tom Kaulitz walked across the carpet next to her as an egg while she was dressed as a peacock. (Getty Images)

In 2022, she transformed into a giant worm and admitted that her costume was “claustrophobic.” Kaulitz was dressed as a fisherman with bloody eyes.

When asked what her favorite costume was so far, Klum compared her extravagant ensembles to those of children.

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In 2022, Heidi Klum turned into a giant worm while her husband Kaulitz was dressed as a fisherman. (Getty Images)

“They're kind of like your kids, and you still love them… it was all so different,” she told Fox News Digital.

“I love the worm…it was just so weird,” she noted.

Heidi Klum's previous unique costumes include the Hindu goddess Kali. (Joe Corrigan/Getty Images)

“I loved it when I was really old. I thought that was funny. It was when I turned 40 and people said… 'You're really old.' And I thought, 'Really? I'll show you.'”

Heidi Klum dressed up as an older version of herself at her 2013 Halloween party. (Mike Coppola/Getty Images for Heidi Klum)

Heidi Klum dressed as Fiona from “Shrek”. (Photo by Taylor Hill/FilmMagic)

Klum's previous unique costumes include the Hindu goddess Kali, Fiona from “Shrek” and the werewolf from Michael Jackson's “Thriller” music video.

Heidi Klum dressed as a werewolf from Michael Jackson's “Thriller” music video. (Getty Images)

“I hope people like what I'm coming up with…this year too,” she concluded.

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