A quinceañera traditionally celebrates a girl’s transition to young womanhood on her 15th birthday.
The celebration is especially associated with Latin American communities and typically combines a formal party with family customs, music, dancing, and often a religious service. The fifteenth birthday is the defining milestone, although families may adapt the event to their own beliefs, budgets, and cultural backgrounds.
The tradition is not identical everywhere. Customs differ across Mexico, the Caribbean, Central America, South America, and Latino communities in the United States. Some families hold the celebration on a nearby date for practical reasons, but it remains connected to the fifteenth birthday. It is also increasingly celebrated by people of varied cultural and religious backgrounds.