BRAND BRAND BRAND !!!!!!!!!!!!!!!!!!!!?

Q: I am 19 year old ,yesterday one of my clmate approached me and asked what brand of dress am i wearing and I told her that I am a street junkie and am n't into branded clothes, She said very rudely that i am a cheap girl and wear low cl clothes and I was like amazed because everyone likes to wear branded clothes in my college and they make fun of you if u don't wear branded clothes. What should I do ??? bcoz I can't afford such expensive branded clothes and I don't want to make fun of mysel;f as well ! plz help.....