The 2006 film featuring Magdalena, Carlos, and Uncle Tomas around a quinceañera is Quinceañera.
The film follows Magdalena as she prepares for her fifteenth-birthday celebration. Carlos is her cousin, while Uncle Tomas becomes an important adult figure in the story. Their relationships create the family and community framework through which the film examines responsibility, acceptance, and social expectations.
Quinceañera was written and directed by Richard Glatzer and Wash Westmoreland. It is an English-language American independent film with a predominantly Latino cast and a Los Angeles setting. The title directly identifies the cultural event at the center of the plot.
This film should be distinguished from other Latino-themed coming-of-age movies. Real Women Have Curves, Under the Same Moon, and Mosquita y Mari also concern Mexican American or Mexican characters, but they do not feature this particular trio or use a quinceañera as the story’s central event.