The reason for this is that all eyes will go to the birthday girl on that special day. Then the family orders q cake that is special like a weedding cake. Somtimes the godparents pay for it. Many times, the cake is so big that it needs a special table. Next, the parent rent a hall for the party and rent a band to play music. After that, they decide on the special food to serve the guests. Often a quincenera celebration can cost as much as big wedding; the size of the party depends on how much the girl's parents can afford