And his three goals on route to Moscow played a huge role in the French making the final.
Brazil icon Pele was just 17 when he scored twice in a 5-2 win over Sweden in 1958 – the start of an incredible international career.
After watching Mbappe’s acheivement, he tweeted: “Only the second teenager to have scored a goal in a #WorldCupFinal! Welcome to the club, @KMbappe – it’s great to have some company!”
France fans strip off to celebrate World Cup win in Bordeaux water fountains
IT’S COMING HOME
Why are three lions on the England football shirt?
ON TOP OF THE WORLD!
Models don England and Belgium kits before our crunch World Cup match
I’m a Swiss
How many nationalities does the Switzerland squad have?
Belfies, rollers and Chanel – why Pickford’s fiancee Megan is the ultimate WAG
Is Cristiano Ronaldo going to prison and what sentence has he got for tax fraud?
BRA’S OFF FOR BRAZIL!
Latvian model Sabine Jemeljanova is backing Neymar and his Samba pals
France fans celebrate in Paris fan zone as they beat Croatia 4-2 to win World Cup 2018
Defender Bergomi was 18 when he helped Italy win the World Cup in 1982 – playing the whole game as the Azzurri beat West Germany 3-1 with goals from Paolo Rossi, Marco Tardelli and Alessandro Altobelli.
The 100 per cent record of teenagers winning World Cups has continued with France winning 4-2.
A Mario Mandzukic own-goal got the French off to a flier but Ivan Perisic pulled Croatia level after 28 minutes.
Hugo Lloris mocked after shocking mistake to gift Croatia goal in World Cup final against France
Antoine Griezmann restored the lead with a controversial penalty before Paul Pogba and Mbappe struck within six minutes of each other.
Mandzukic capitalised on a Hugo Lloris’ mistake to give his side hope with 21 minutes to play but France held on for their second World Cup triumph, 20 years after their first.