Stand in front of a mirror and look slightly down. Now turn to the side and examine your profile in the mirror. Chances are, your "girls", as they refer to them on "What Not To Wear", aren't standing as perky and at attention as you would like. Many plus size women have large breasts, and finding a bra that can give enough support is often difficult.
Just My Size's playtex bras are on sale for only $13.99 per item. That's a price that can't be beat - check it out online and stock up!