Need Ideas For My Quinceanera

I am having my quinceanera next march. On the 22. My birthday is april 3 i am having it a week before my birthday. I just started planing not to long ago. I need help with my theme. And my colors. I am going to have 14 boys and 14 girls. I want a very big dress and puffy. The colors i had in mind were blue and white, white and maroon, white and yellow with black, white black and silver. Im not sure if they will look right. Please send me any ideas you have. I really need some ideas. Thanks