Fashion is what you wear, style is what you do with it. Or something like that. Here are a few more quotes about fashion vs style.
“The difference between style and fashion is quality.” – Giorgio Armani
“Fashion is a form of ugliness so intolerable that we have to alter it every six months.” – Oscar Wilde
Style is when they’re running you out of town and you make it look like you’re leading the parade.” – William Battie
Fashion is what you adopt when you don’t know who you are.” – Quentin Crisp