My feet are too big for childrens sizes and toosnall for womens sizes?

my feet are size 4 or3 in australian childrns sizes and my feet are too small for womens sizes and i cant find decent shoes for my feet that are not babyish what can i do and is there a special shop for females with tiny feet?!?!?! in length, my feet are 22cm (8.5in.) i get teased a lot for the size of my feet and its not nice and i hate it. is there an excercise that can enlarge my feet? and my body is very disproportionate i have long torso short legs fat legs skinny torso small feet very short one ear sticking out and i get teased a lot. is thereanytjing inccando about my problems?