The pianist and soul singer dedicated his award to the victims of the Paris terrorist attacks, a mere week after they had taken place, as he used to sleep rough on the city's Metro.
Clementine, who won with his debut album At Least For Now, was in tears when collecting the prize and gave a heartfelt acceptance speech.
“I never thought I would say this. If anyone is watching, any child or youngster or student. The world is your oyster. Go out there and get what you want to get”.