( CNN ) -- Italian fashion designers Domenico Dolce and Stefano Gabbana lost the appeal of their jail sentence for tax convictions in Italy , their lawyer said Wednesday . The men were sentenced to 18 months in prison by a lower court after being found guilty of failing to pay 40 million euros in taxes owed to the Italian government last year . They must also pay a 500,000 euro fine . The case will now be appealed to Italy 's Supreme Court of Cassation , attorney Armando Simbari told CNN . The Dolce & Gabbana label is a popular brand on luxury clothing and accessories . CNN 's Livia Borghese in Rome contributed to this report .
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 .