Revenge director Coralie Fargeat’s new body horror satire, The Substance, screened at the Cannes Film Festival over the weekend, and the reactions have been (mostly) very positive - although it sounds like the movie has its share of shocking moments.

The film focuses on an acclaimed actress turned celebrity host of a daytime exercise program (Demi Moore) who gets replaced by a younger star (Margaret Qualley), sparking a confrontation between the two women that ultimately turns violent.

The Substance reportedly features some pretty extreme gore, but the scene that's sparked the most discussion is a brutal fight between Moore and Qualley's characters - complete with graphic, full-frontal nudity.

“I had someone who was a great partner,” said Moore of her co-star. “We were obviously quite close at some moments… and naked. But there was also a levity [in shooting those scenes].”

Moore also noted that the film “pushed me out of the comfort zone,...