You care what others think about you.

(out of subject) you fucking owned her
(back to subject)

Honestly, I would care on the situation.

For example, if i'm hangin' around a few friends of mine, then i wouldn't really care, since they wouldn't judge me on looks.

Ofcourse if a person which i have no idea who he/she is (preferably a chick) sees me in a badly dressed form (or looks) i'd be uncomfortable.
Basically i'd care about what people think about me, IF i'm being judged by them in a negative way towards how i look.

Completely biased.