Prommmm?!- guys and girls pleasee?

so this is the problem.. i have junior prom this year, and im stoked. the only problem is what if i dont have a date. im the average girl.. not skinny but not fat either. my friends are really athletic and skinny and pretty. my sister was gorgeous, petite and very skinny. she had lots of boyfreinds and im nothing like that. i talk to guys but not a lot. i wouldnt even know what to do if i didnt have a date. i'd be too embared to go to prom without one if all my friends did... and i wouldnt want my sister and parents to think, idont know, im like ugly? or have no like guy interests? any thoughts on what i should do?? and yes i have some guys friends. but not life bffs. thanks you. byu the way, i like stress about this all of the timee!!!!