Unequal size?

im 21 yrs old now n my r totally unequal in size. my left 1 is bigger than the right 1. and im on the smaller end so it's very obvious. im not too sure bout cups though but i think my left 1 is like a small B but my right 1 is like small A. it's very frustrating that i cant wear a low cut shirts as my right doest fit in my bra n could be seen when i bend down or something.is there anything i can do to make my bigger or equal at least? i know most ppl would say all the creams are useless and being unequal is ok but i would really want my to be bigger n almost equal at least ..i know it can really boost my confidence.. any suggestions?