In a traditional quinceañera, a last doll is often presented to the celebrant as a childhood symbol.
The doll represents the celebrant’s transition from childhood toward young adulthood. In some celebrations, a parent or another relative gives her the doll during a formal moment in the program. The custom is especially associated with the idea that the quinceañera is leaving childhood behind.
The doll is not universal, however. Quinceañera customs vary by country, family, religion, and community. Some families replace the doll ceremony with another symbolic gift, while others omit it entirely. This tradition is separate from the changing-of-the-shoes ritual, in which flat shoes may be replaced with heels.
The “last doll” is also different from a quinceañera’s court, sponsors, and religious ceremony. Those elements may appear at the same event, but they have different roles: the doll emphasizes childhood, while the court and sponsors provide social or ceremonial support.