This reminds me... I saw a woman the other day that reminded me why I wear a bra. She was walking down the street in my town... she had big boobs, I dunno what size, but at least a D cup... and she had no bra... they were almost to her waistline. Looked very white-trash to me.
If you're out shopping, wear one. However, there is something about the hanging breast that is just...marvelous.