Bearing flags, hats and the country's iconic blue-and-white jerseys, Argentines took over Buenos Aires' downtown and other iconic spots within minutes after the win.
"It was an incredible game, at times anguishing," said 46-year-old Diego Aburgeily, who cheered on the national side from the suburbs of Buenos Aires.
The South American team, which lost the final of the tournament against Germany in 2014, had not won a World Cup since 1986.
[1/5] Soccer Football - FIFA World Cup Final Qatar 2022 - Fans in Buenos Aires watch Argentina v France - Buenos Aires, Argentina - December 18, 2022 Argentina fans celebrate winning the World Cup REUTERS/Agustin Marcarian 1 2 3 4 5The final penalty kick from Argentina's Gonzalo Montiel caused the ball to sail neatly into the net.
The final win cements Messi's status as a legend among Argentines, with Sunday's match expected to be his last appearance in a World Cup for his country.