Demi Moore Shares Bone-Chilling Look at Transformation for Her Horror Film

Demi Moore was ahead of the curve when it came to her Halloween costume. 
 
In fact, the Ghost actress recently detailed some behind-the-scenes looks at her character in The Substance, a body horror film she starred in along with Margaret Qualley, which hit theaters Sept. 20. 
 
“Spoiler alert,” Demi joked in her Oct. 31 Instagram post, alongside photos that showed her looking unrecognizable in elaborate old face and body makeup. “Been holding onto these gems from @trythesubstance and today feels like an appropriate day to share them. Happy Halloween from Elisabeth Sparkle.”
 
Other photos saw Demi’s haggard face covered in blood, and her posing in a half-costumed look—complete with a prosthetic torso, arms and her full makeup, as well as Spanks and black Birkenstock clogs—while she cradled her micro Chihuahua Pilaf. 
 
Of course, Demi’s look wasn’t the only jaw-dropping transformation revealed from the Mubi film. Last week, record producer Jack Antonoff showed off one of his wife Margaret’s looks from the film. 

In a screenshot of a FaceTime call, Jack—who married the Maid star in 2023—posed in the corner square wearing a surgical mask, as Margaret looked dazed into the camera with monstrous prosthetics covering her entire face. Jack added in the caption, “Go see The Substance!”

Meanwhile, other stars are using Demi herself as inspiration for their Halloween looks. Indeed, Kylie Jenner shared on social media Oct. 31 that her costume was a recreation of the actress’ Striptease poster. 

In the photo, Kylie recreated the iconic image to a T, sporting long black hair with slightly blown-out bangs and posing to cover her otherwise naked body. Naturally, Kylie tagged the original star of the 1996 film, further proving the homage.

And celebrities have been full of clever references for this year’s holiday. Jennifer Garner nodded to herself by dressing as Jenna Rink, her iconic character from 13 Going on 30. And Halle Bailey paid tribute to her near-name twin, Halle Berry, by donning a look as Jinx from the latter actress’ James Bond film, Die Another Day. 

Keep reading for more stars' unique Halloween looks. 

The couple were off to see the Wizard as Dorothy and the Tin Man from Wizard of Oz.

Who's that girl? It's the New Girl actress dressed as The Real Housewives of Salt Lake City's Angie Katsanevas.

The Property Brothers star was looking dead cool in his Wolverine costume.  

The Rhode Beauty founder and model were sliving their best lives as Paris Hilton and Nicole Richie in their reality TV show Simple Life.

The Bachelor winner was the most stunning belle of the ball.  

Accio, Harry Potter! Or as the rapper (born Gerald Gillum) put it on Instagram, "Gerry Potter."

Four scores and seven years ago—or rather, in 2024—the Modern Family alum and his husband dressed as Abraham Lincoln and Mary Todd Lincoln.

The model proved her whole life is a dark room, dressing up as Lydia Deetz to celebrate her 37th birthday at Airbnb's Beetlejuice, Beetlejuice experience.

The Oscar winner was feeling witchy with her cat.

The Victoria's Secret Angel was the perfect Black Swan.

The couple stepped out as Christine and the Phantom of the Opera.

The Jersey Shore star dressed up as a patient who was "sick of these b--ches."

This influencer just pulled Lady Gaga's iconic meat dress out of the freezer.

The devil may wear Prada, but the Oscar winner dressed as a ghoulish version of the Statue of Liberty for Halloween.

The Love Island USA contestant was just Ken this Halloween, captioning his Instagram post, "I'm Kenough."

The Pretty Little Liars alum and her little lambs were too cute in their matching costumes.

The pair debuted an Alice in Wonderland couples costume.

The model and the "Lights" singer make their millennium at Airbnb's Beetlejuice experience in Hillsborough, N.J.

The singer partied at Pizzaslime's annual bash, which served Casamigos margaritas and Casamigos palomas garnished with candy eye balls.

A month after she brushed off fans' allegations of using Ozempic to slim down, the singer dressed up as the fictional weight loss drug Lizzo, as seen on South Park's The End of Obesity special.

The "Did It First" rapper channeled Milla Jovovich's Leeloo character from The Fifth Element.

The Game of Thrones alum channeled The Matrix, writing on Instagram, "Red or blue pill."

It was a simply spooky night for the Simple Life alum at Universal Studios Hollywood.

The Transformers: Age of Extinction actress transformed herself to a Playboy Bunny.

The "Make Me Feel" singer had a bloody good time at a Cinespia screening of The Texas Chain Saw Massacre in Los Angeles.

Baby, baby, baby, oh! The Bachelor Nation star channeled Justin Bieber for a Halloween party.

There were no cruel intentions as the Buffy the Vampire Slayer alum visited Knott's Scary Farm in Buena Park, Calif.

Wicked is going to be a pop-u-lar Halloween costume—just ask the Bachelor Nation star and the singer, who dressed up as Glinda and Elphaba from the beloved musical.

The Nickelodeon alum dressed as the title character in 2002's Coraline.

Leave it to Heidi Klum's daughter to celebrate Halloween early, dressing up as Pamela Anderson's Barb Wire character.

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