Hollywood Theme, And I Need Help!

Hi, My class don`t have proms but we have grads instead, we have a big grand march that is basically the same as a prom, out theme has been picked and is goign to be Hollywood, what are some good ideas that we can use? Please help us we are stuck, we especially need a idea for a back drop, in which we the students walk out of. Someone please help me.
Posted by Sara; updated 10/08/04