Help!!please

Hey im having my 15 in feb. I know i should have planned it earlier but we couldnt decide weathere we were having it or not.but we finally agreed to have it. I am half colombian and half white so i really dont know alot about 15 i need help and ideas. If u can help me please e mail me at monita88@aol.com thank you you willbe a great help!!!
Thanx,
Jessica