Kylie Jenner is taking a page out of her boyfriend Timothee Chalamet 's playbook ... literally ... as she is set to star in Charli XCX 's new A24 film "The Moment." The 'Brat' pop star posted a flashy, seizure-warning teaser video announcing the star-studded cast list ... and among the names announced is none other than the billionaire makeup mogul herself, Kylie -- making this her first-ever role in a feature film. Charli stars in the film too ... she came up with the original idea, so as to