I think it is important if it is part of who you are. If a fashionable outfit makes you feel happy, confident and full of pride then it's a definite yes. If wearing something nice doesn't do anything for you or you just couldn't care then don't worry about it. I personally think wearing fashionable clothes is very important because it's part of my personality and tastes and shows people who I am and how proud I am to wear my personality as I stroll.