A tiara is the small crown-like accessory traditionally placed on a quinceañera’s head.
The tiara contributes to the formal presentation of the celebrant and symbolizes maturity, dignity, and her ceremonial status. In many celebrations, a parent or another important person places it on her during a presentation ritual.
The accessory is often coordinated with the dress, jewelry, and decorations. It may look like a crown, but “tiara” is the standard name for the headpiece used in this context. Some families choose a simpler hair ornament or skip the tradition entirely.
The tiara should not be confused with the quinceañera dress or with the ceremonial shoe change. Those customs have separate symbolic roles, while the headpiece emphasizes the celebrant’s honored position during the event.