The Spanish word for the formal waltz traditionally performed at a quinceañera is vals.
The vals is usually a rehearsed dance involving the quinceañera and members of her court. It often forms one of the most recognizable public moments of the reception, with the participants dressed formally and following planned choreography or traditional steps.
Vals simply means “waltz” in Spanish. It does not identify one single song or choreography. Families may choose classical music, a popular ballad, or another piece arranged in waltz time, and many contemporary celebrations replace a strictly traditional routine with modern choreography.
The dance is separate from the religious ceremony that some families hold before the reception. It is also different from the changing-of-shoes ritual and other symbolic presentations. Because customs vary, not every quinceañera includes a formal vals, although the term remains strongly associated with the celebration.