In a traditional quinceañera, the honoree usually wears a tiara on her head.
The tiara is a visual symbol of honor and distinction. It often forms part of the formal presentation of the quinceañera at the reception, where family members or another important person may place it on her head. Its jewel-like appearance also complements the formal dress associated with many celebrations.
The accessory is sometimes described as a crown, but a tiara is the more precise modern term for the smaller headpiece commonly worn by the honoree. Designs range from simple bands to elaborate pieces coordinated with the dress and decorations.
Customs are flexible. Some families omit a tiara, use a different headpiece, or choose a style that reflects regional and personal preferences. It is symbolic rather than a required religious object.