pinksugar,

I would respond by laughing and saying "Well you ARE a master of the obvious!"

That can be taken as a joke or as an insult. That way, you are getting your point across to her without being mean (and thereby stooping to her level).
Originally Posted by kdcreigh
Thanks for the advice. Yesterday I wore a headband just because. My hair didn't turn out so great today, so at lunch I'm going to get another headband and come back wearing it. I'll use your response if she says anything which I can guarantee she will.