Domenico Dolce and Stefano Gabbana face 18 months in an Italian prison . The fashion house was ordered to pay a fine of €500,000 (£415,000) for the illegal use of its trademark on clothing bearing the name 'Dolce & Gabbana' - which is also used The case will be appeal to Italy 's Supreme Court , their lawyer says .
Domenico Dolce and Stefano Gabbana face 18 months in an Italian prison . The designers were found guilty of failing to pay 40 million euros in taxes in Italy . The case will be appeal to Italy 's Supreme Court , their lawyer says .