My son is the same age!
We're already seeing signs of the terrible two's around here. . . anyway, I'm not much help since he only wears shoes when we're running errands, but I have to say there isn't anything much cuter than a little girl all dressed up with bare feet. What if you got something like
these? A little spendy for just one wear, but if you have anything else she can wear them to they might come in handy.