The actress stars alongside Margaret Qualley and Dennis Quaid in Coralie Fargeat’s gleefully grotesque movie about an aging celebrity who takes an experimental drug that gives her a younger self.

It's true, Demi Moore is a reborn as a horror movie icon in The Substance, which also features truly unforgettable production and costume design.

The Substance is all about showing instead of telling, and while that ultimately proves to be exceptionally demanding for the film’s stars, both Demi Moore and Margaret Qualley are magnificent. Beyond the intense physicality for both actors – including bold nudity and metamorphosis – they are what set the stakes and attitude.

It's not long before Demi and her doppelganger are at each other's throats. Complications ensue when Sue is hired by Elisabeth's old boss (Quaid is scarily hilarious as Harvey) to star in a new workout show called "Pump It Up.

Coralie Fargeat’s sci-fi shocker follows the downward spiral of a 50-year-old movie star who resorts to drastic measures

Three things need to be said about “The Substance” at the outset: First, it is a movie that’s so extreme that it makes you wonder — in the best way — if the filmmaker is crazy. Second, this is, without doubt,

The body horror nightmare story is sensual, unhinged, grotesque, and will have you howling with laughter. Demi Moore has never been better.