Demi Moore had quite the Halloween surprise for fans of The Substance. In celebration of her horror film becoming able to stream on MUBI, the actress decided to share four shocking behind-the-scenes photos from the set of her latest critically acclaimed movie.

The year’s most grotesque, shocking and (for some) fun movie of the year is finally available to stream online. Those who couldn’t manage to see Demi Moore slowly transform into an unrecognizable monster on the big screen now have the chance to stream “The Substance” from home.

Demi Moore’s acclaimed body horror thriller “The Substance” debuts on streaming this week. Find out where you can watch it at home.

In one of the pictures, Moore’s face is covered in blood, to the point where even part of her shirt is stained. In all of the photos, Moore has prosthetics on her face, head and body for her transformation into an elderly woman — saggy boobs and all.

Demi Moore got into the Halloween spirit by sharing some eerie behind-the-scenes photos from her latest movie, The Substance. In the body horror film, Demi plays Elisabeth Sparkle, a fading Hollywood star who takes a black market drug to create a much younger version of herself,

Actor Demi Moore recently opened up about her character in the horror film 'The Substance', and shared some behind-the-scenes looks of her on-screen personality, reported E! News.

Demi Moore celebrated Halloween by showing off one of her super scary looks from The Substance, a body horror film she starred in with Margaret Qualley.