To dream that you are wearing a bra indicates that you are seeking comfort and solace. It's possible that you are in a depression and require someone to cheer you up. It can also symbolize motherly instincts and your desire to encourage personal growth.
To dream that you are not wearing a bra implies that you reject authority and refuse to be obedient. You are stubborn and strong willed. It may also represent your views and thoughts regarding sex.