I RLLLLLYY WANNA BE A MODEL!!!!!!!! :PPPPPP HELP!!! :)?

well first of all yes that is me in the pic from my computer :) w/o make up and my plain hair! :D everywhere i go ppl ALWAYS tell me im GORGEOUS! ever since i was little ive always wanted to be one! well heres what i look like: im 13, blonde hair, blue eyes, tan skin, im 5'5 and i weigh about 116 ( the only thing is i think im a little tooooo heavy) ?? :( today i was at the dentist and the lady told my mom she should get me into modeling! :D out of nowhere!! :P well my mom is a single parent ( dad passed away ) but anyways im not rich but we live well! :) ( private school, big house ) well my mom doesnt want me to get into modeling because she says its demanding and expensive!! :( not to be stuck up or anything but its like wasting beauty :( well ik its pricey and demanding but i rllly rlly wanna do it! :))))))))) p.s. i live in california... and i was thinking modeling at justice <3!!! :) well me what u think and how much money is it?? also do u think im too big for it?? :3 thank u!!! <3, Kaitlyn