Is it normal to be 11 with a 34B?

it is tottally normal im 11 to and with the same size i know how it feels and doesnt it annoy you when people go what 11 year olds should only wear training Bras im like okay how do you know im 11 and i don't fit in a traing bra anymore and i hate training bras by the way my name is Katie if you want to talk email me at katielucky14@Yahoo.com