The DUFF is a 2015 American teen comedy film directed by Ari Sandel and written by Josh A. Cagan, based on the novel of the same name by Kody Keplinger with music by Dominic Lewis and produced by Susan Cartsonis, McG and Mary Viola. The film stars Mae Whitman, Robbie Amell, Bella Thorne, Nick Eversman, Skyler Samuels, Bianca Santos, Allison Janney, and Ken Jeong.
The film was distributed by CBS Films via Lionsgate. CBS also produced the film with Vast Entertainment and Wonderland Sound and Vision. It was released on February 20, 2015, and was the first film for which Lionsgate took over CBS Films' distribution functions.