Celebrities' Incredible Halloween Makeup Transformations

If you don't recognize the supermodel in this 2013 photo, it's Heidi Klum attending her annual Halloween party in New York City. Prosthetics and makeup transformed Heidi into an old woman. Her face was covered in wrinkles and age spots, and she was completely unrecognizable. 

Heidi is just one of the many celebrities who've worn transformative Halloween costumes. From makeup to different hairstyles, there are so many tricks the stars use to go incognito. Click through the gallery to see the photos.

Heidi Klum dressed up as an alien and showed off her guts in this wild costume. She was covered in head-to-toe prosthetics for the occasion — her annual Halloween party in 2019.

Related: Heidi Klum’s Greatest Halloween Costumes Ever

Rita Ora was completely unrecognizable when she dressed up as Post Malone for a Halloween event in London in 2018. She rocked short curly hair, a beard, and face tattoos. 

Related: Rita Ora & Taika Waititi — Photos Of The Couple

Katy Perry and Orlando Bloom looked absolutely amazing as Bill and Hillary Clinton for a Halloween party in Los Angeles in 2016.

Related: Katy Perry’s Best Halloween Costumes Of All-Time: Photos Of Her Wildest Looks

Neil Patrick Harris and David Burtka dressed up as Mary-Kate and Ashley Olsen for Heidi Klum’s annual Halloween party in 2019.

Related: 13 Best Family Halloween Costumes Worn By Celebrities: Photos

Bella Hadid and The Weeknd dressed up as Lydia and Beetlejuice from the classic 1988 movie for Heidi Klum’s annual Halloween party in 2018.

Related: Gigi Hadid, Heidi Klum & More Victoria’s Secret Models Dressed Up For Halloween

Heidi Klum and Tom Kaulitz shocked us all when they became Fiona and Shrek for her annual Halloween party in 2018.

Related: Celebrities Over 40 In Halloween Costumes

Heidi Klum dressed up as the werewolf from Michael Jackson’s "Thriller" music video at her annual Halloween party in 2017.

Fergie took her son, Axl, trick-or-treating dressed up as a pink Power Ranger. She accessorized her skintight bodysuit with a white wig and pink goggles.

Cynthia Erivo dressed up as an Avatar when she rocked this all-blue ensemble with a face mask and big ears for Heidi Klum’s annual Halloween party in 2016.

Related: Celebs Getting Scared At Haunted Houses

Heidi Klum dressed up as Jessica Rabbit for her annual Halloween party in New York City in 2015.

Kelly Ripa channeled Joe Exotic for her Halloween Tiger King look in 2020. She looked a lot like the documentary star in her costume.

Related: Kelly Ripa’s Sexiest Halloween Costumes Of All Time

Justin Timberlake and Jessica Biel took their son, Silas, trick-or-treating in New York City in 2018. The entire family dressed up as life-size Legos. 

Kat Graham dressed up as the protagonist from The Mask for Heidi Klum’s annual Halloween party in 2018.

A blond mullet wig was key to Mariah Carey's rock star costume in 2019. She wore the get-up when she attended Heidi Klum’s annual Halloween party alongside boyfriend Bryan Tanaka. 

Katy Perry dressed up as Freddie Mercury to attend a Halloween party in 2008. The bash also doubled as her 24th birthday party.

This article originally appeared on Hollywood Life and is syndicated by Cheapism.