Yes, but its not really a need for some of them. Little girls without any breasts, don't have to. If you have breasts you should wear a bra but its your choice.
Your choice. It doesn't really matter, as long as you're comfortable.
No
Girls usually just wear whatever size they are. If they wear smaller bras, it generally has something to do with them having a smaller body.
Sometimes girls don't wear bras because their boobs hurt or they are just having a lazy day.. LoL
No. Definitely not.
We wear bras so our nipples dont show through our shirts
It is logic for girls to wear cup shaped bras to cope with shape of their breasts.
Girls don't have to wear bras - many girls do because they feel more comfortable, girls with larger breasts may need the additional support, but no one HAS to wear bras if they don't want to.
all the girls
We don't HAVE to wear bras. Some women don't. It just depends on the women. Some wear bras because they like it. Some aren't comfortable so they don't.
Guys like bras off girls. it doesnt matter.
most of the time yes.
i wear them but its what ever feels comfortable :) and i dont see why not