What do people do at (quienceaneros) sweet fifteen birthday parties?

i am preparing my fifteenth birthday party and i would like to know if there is something specifically that everyone does at these occasions such as the dance. I have never gone to a a sweet fifteen before that's why i need help please help me giving me ideas on what people usually do and on how to make the party fun to others. Also, i want to add that it is mostly a family thing at home it is not very fancy but it is a nice thing. please help ill appreciate