Originally Posted by
ScottGem
I agree with Wonder. If the fact that your nipples show in certain types of clothes embarasses you, then don't wear those types of clothes.
A bra serves two purposes in my opinion, the main purpose is support, but a secondary purpose is to hide prominent nipples.
Now, I doubt if, at nine, you really need support, so the main issue is the secondary one. And a bra that would do that would probably have a molded cup that might make your bosom appear larger than it is. If the bra is thin, its not going to accomplish what you want.
There are other options as wonder suggested. Layering seems to be the major style these days. I rarely see women without 2 or more layers. So you can wear a tigher top under a looser one.