The 2006 film Quinceañera also won the Sundance U.S. Dramatic Audience Award.
The film, directed by Richard Glatzer and Wash Westmoreland, centers on Magdalena, a teenager preparing for her quinceañera in Los Angeles. The story examines family expectations and social pressures through the preparation for the celebration rather than treating the event as mere decoration.
At the 2006 Sundance Film Festival, Quinceañera received the U.S. Dramatic Grand Jury Prize and the Audience Award. Winning both honors made it one of the festival’s notable independent dramas that year.
The title can create a common mix-up because quinceañera is also the name of a real-life tradition. The question concerns the film’s festival record. The award was given to the movie’s U.S. Dramatic competition entry, not to a particular real-world celebration.