Help???? please????

So i really wanna get asdkeed to homecoming this year! but i know because of my weight that i wont be asked. the guys at my school dont like me and i wont embaress myself by asking a guy because i know i will get rejected and the few friends i do have already have dates or have the confidence and looks to ask a guy and get accepted. so what do i do????
help! xoxo angela