The wonderkid was pivotal as he helped France to glory against Croatia in the final – even scoring a goal in the 4-2 victory.
It has now been revealed that the 19-year-old will hand over money earned from featuring out in Russia to a sports charity that work with disabled and hospitalised children, Premiers de Cordee.
According to Sports Illustrated, the teen sensation was paid £17,000 per game, and pocketed £265,000 for being part of the team who won the tournament.
The news of his charitable donation has been reported by French national newspaper L’Equipe.
Mbappe, who joined PSG for a fee of around £166m from Monaco after a season-long loan, was one of the French success stories from this World Cup.
He ended up with four goals from the tournament, and was named as best young player.
Speaking to Le Parisien, Mbappe’s generosity came as no surprise to Premier de Cordee charity general manager Sebastian Ruffin.
He said: “Kylian, he’s a great person.
“When his schedule allows it, he intervenes for us with pleasure