© Getty Images

2000 -

For her first bash, Heidi went for a costume with vague S&M vibes and Pippi Longstocking braids. No one could predict how committed she would one day become.

© Getty Images

2001 -

For her second Halloween bash, the supermodel went as Lady Godiva, but with a touch of blood. Legend has it that the English noblewoman rode her horse while naked, which explains the whole costume.

© Getty Images

2002 -

In 2002, Heidi hosted her Halloween party as Betty Boop. She went for the full getup, rocking Betty's signature hair, lashes, and tight dress.

© Getty Images

2003 -

Heidi went all out in this golden alien look in 2003, featuring golden braids, teeth, and boots. She even spray-painted her entire body with gold glitter.

© Getty Images

2004 -

In 2004, Heidi arrived at her party dressed as a red witch. She also gave a skeleton a piggyback ride. Her ex-husband, Seal, went dressed as the phantom from 'The Phantom of the Opera.'

© Getty Images

2005 -

We can see by now that Heidi loves to wear a good stiletto boot with her Halloween costumes. And these black patent leather thigh-high boots work perfectly with her vampire look.

© Getty Images

2005 -

The supermodel completed her look with a corset dress, long fangs, an enormous curly wig, and purple body paint. Classic Halloween attire!

© Getty Images

2006 -

Back in 2006, Heidi and Seal showed up in the ultimate couple's costume. He went as Eve, and she was the forbidden fruit.

© Getty Images

2006 -

It was later revealed that Heidi was secretly pregnant, which explains why the former Victoria's Secret model went for this bulky attire.

© Getty Images

2007 -

The following year, Heidi opted for a more relaxed costume. She arrived in a gray bodysuit, dressed as a fierce feline.

© Getty Images

2007 -

The look was rich in details and included colored contacts, fangs, a stick-on nose, and whiskers. She even wore a collar around her neck that read: "If Lost, Please Return to Seal."

© Getty Images

2008 -

For Halloween in 2008, Heidi went as Hindu goddess Kali. She wore a bright blue bodysuit fitted with additional arms and gold jewels to complete the look.

© Getty Images

2008 -

The idea of the elaborate look was inspired after a trip to India. But Hindu leaders criticized the costume, calling it "denigrating." Seal was dressed as a warrior.

© Getty Images

2009 -

The following year, Heidi and Seal opted once again for a couple's costume, dressed as two monster-sized crows.

© Getty Images

2009 -

And even if most of Heidi's face was covered with an elaborate headpiece, she still wore makeup—including a full face of paint and long lashes.

© Getty Images

2010 -

In 2010, Heidi fully committed to this superhero look with her boots on stilts and robot armor. The getup was completed with colored contacts, a sky-high red wig, and glittery skin.

© Getty Images

2011 -

For her first of two Halloween parties in 2011, the supermodel showed us what the preserved remains of a cadaver look like. Yikes!

© Getty Images

2011 -

She even shared a behind-the-scenes peak at her costume, showing that it really takes a village to pull off her extravagant looks.

© Getty Images

2011 -

For her second Halloween party of 2011, Heidi and Seal arrived as apes. This was their last couple's costume, as they announced their split later that year.

© Getty Images

2011 -

It took nearly six hours to apply all the makeup and prosthetics. The final result made her look unrecognizable.

© Getty Images

2012 -

In 2012, Heidi went as Cleopatra. She stated that after a few years of being "ugly," she wanted "something really pretty and sparkly for a change."

© Getty Images

2013 -

However, in 2013, she outdid herself and dressed up as her 95-year-old version. Now she knows how she'll look in the future!

© Getty Images

2013 -

The details are truly remarkable, and included varicose veins and contact lenses to make it look like she had cataracts.

© Getty Images

2014 -

After five hours in the makeup chair, Heidi transformed into a butterfly in 2014. She chose her look to honor what some used to call her: schmetterling, which is "butterfly" in German.

© Getty Images

2015 -

In 2015, Heidi would beat her own Halloween makeup record when she spent 10 hours transforming into Jessica Rabbit. She had prosthetics applied to her face, chest, and backside.

© Getty Images

2015 -

She truly looked unrecognizable, and proved once again why she's the queen of Halloween. What a transformation!

© Getty Images

2016 -

The following year, Heidi went for a more relaxed costume by going as herself, plus some identical clones!

© Getty Images

2017 -

In 2017, Heidi made her debut as the Michael Jackson werewolf from the 'Thriller' music video. She spent seven hours undergoing special effects makeup.

© Getty Images

2018 -

Heidi and her now-husband Tom Kaulitz dressed up as Fiona and Shrek in 2018. The costume included prosthetic ears and green skin by a team of special effects artists who helped transform them.

© Getty Images

2019 -

In 2019, Heidi was once again an alien, but much scarier. This time, she got ready in front of an audience in New York City. The process started at 10 am and wasn't finished until 4 pm. Her husband was dressed as an astronaut who found her in space.

© Getty Images

2022 -

Klum's first post-pandemic Halloween party was a night to remember. She wriggled her way down the blue carpet in a giant prosthetic worm costume that was perhaps her most grotesque transformation yet! Kaulitz dressed as a fisherman who had her hook, line, and sinker.

© Getty Images

2023 -

In 2023, Klum's costume included a 10-person team of acrobats! The 51-year-old model wore a shimmering blue body suit with a magnificent bird headpiece that left her unrecognizable. As her feathered troupe arranged themselves behind her (Cirque du Soleil-style), the full peacock came to life! Klum even climbed up to stand at the center of the carefully arranged pile of bodies, dipping her head like a bird as the acrobats behind her fluttered their costumes, creating an enormous undulating peacock tail.

Sources: (Cosmopolitan) (TooFab) (Vogue)

See also: The best duo Halloween costumes

© Getty Images