?What To Wear To My 8th Grade Prom?

Hello everyone my name is Mahasin and I have been on the web looking at all nice dresses but when i should my mother and father what I wanted they said that it was for a 12th grade prom my prom is June 15th and I still dont have a clue! I dont kno what to do! if anyone knows some good stores or websites can u please email me or IM me at Mahasin13@yahoo.com if you halp me at would make me very very happy thanks :)