13th birthday party ideas!!?

I may have a birthday party this year and i want to have it to be HUGH!!! So I need some ideas like what kinda food drinks music theme and how many people should come. I love pizza, wings, and pirogies and i'm thinking having that as the food. I don't want to open my presents there and I deff. want a dj. how long should this party be. thanks for ideas. ps i have alot alot alot of friends (boys and girls) and I seriously need to know how much you think should come. again thanks