The 18-year-old has emerged as one of Europe’s hottest young talents this season with 17 goals and 10 assists for Monaco.
The frontman’s performances have guided Monaco into the Champions League quarter-finals, while they sit at the top of Ligue 1.
Mbappe has previously claimed that he snubbed Real Madrid when still a youth player in preference of staying in his homeland with Monaco.
Zidane has talked up the ability of his compatriot and confirmed Mbappe’s claim that Los Blancos were interested in his services.
“He was almost signed by Madrid, but he went to Monaco,” Zidane said.
“We know he’s very good. For someone his age, he’s doing something fantastic.”