The income related to Messi s image rights that was hidden includes endorsement deals with Danone, Adidas, Pepsi-Cola, Procter & Gamble and the Kuwait Food Company.
Messi's father Jorge, however, had his jail-term reduced to 15 months because he paid some of the taxes.
"It defies logic to concede that someone who earns a large income does not know that he must pay taxes on it", the court wrote in its sentence.
A native of Argentina, Messi is widely considered to be one of the world's best soccer players.
Messi's Barcelona contract is due to expire in June 2018 and the club are now engaged in a process to extend that contract. The fallout of the Spanish supreme court verdict could derail his current contract talks with the club that would have reportedly seen him earn a mouthwatering £485,000 a week after tax.
Centre will bring in law if SC bans triple talaq
Immediately after a few years of the death of Prophet Muhammad, the companions of Prophet Muhammad talked about triple talaq . The bench said "it may not be possible to deal with all the three issues in the limited time we have".
Joe Biden says he could be open to presidential run
TheStreet's Ronald Orol, who was also at the SkyBridge Capital event, said the audience clapped at Biden's comments. Accepting Obama's offer to become Vice President wasn't easy and Biden even initially turned the job down.
Monaco star Mbappe: I'm at an age where I need to play
United, Chelsea, Liverpool and Real Madrid are said to be chasing the striker. "I will make a choice based on my sporting career". Rapper 50 Cent led Monaco's Ligue 1 title celebrations, performing a number of his biggest hits in front of their supporters.