Hold onto your handbags. Fiat says it will unveil upscale Gucci-themed versions of the otherwise proletariat 500 coupe and 500c convertible on Fashion's Night Out, September 8, to kick off New York Fashion Week. Developed in collaboration with Gucci Creative Director Frida Giannini and Fiat?s Centro Stile, Fiat says the two models, one finished in ...