Happy Death Day is a 2017 American slasher film directed by Christopher B. Landon, written by Scott Lobdell and starring Jessica Rothe, Israel Broussard, and Ruby Modine. The film was produced by Jason Blum through his Blumhouse Productions banner. It follows a college student who is murdered on her birthday and begins reliving the day over and over again; at that point, she sets out to find the killer and stop her death.
The film was released on October 13, 2017, by Universal Pictures. It has grossed $56 million worldwide and received generally positive reviews, with critics deeming the film entertaining while acknowledging the familiar premise, and describing it as "Groundhog Day meets Scream".