Bianca's universe turns upside down when she learns that her high school refers to her as a ‘DUFF' (Designated Ugly Fat Friend). Hoping to erase that label, she enlists the help of a charming jock and her favorite teacher. Together they'll face the school's mean girl and remind everyone that we are all someone's DUFF… and that's totally fine.
The DUFF is a 2015 American teen comedy film directed by Ari Sandel. The screenplay by Josh Cagan was based on the 2010 novel of the same name by Kody Keplinger. The film stars Mae Whitman, Robbie Amell, Bella Thorne, Nick Eversman, Skyler Samuels, Bianca Santos, Allison Janney, and Ken Jeong.