A quincenera is a special celebration held for many girls in Spanish-speaking communities of the united states be different in different countries. The word quincenera can refer to the celebration or to the girl. This birthday is special because it celebrate that a girl is not a child anymore and has become a woman. It is a very important day for many young girls, a day they dream about for a long time. Everyone who knows the girl will celebrate it with a church ceremony and a big party.