Taking his overall international hat-trick tally to 7, Messi went also went past Brazilian legend Pele in the list of goalscorers in the continent as he netted goal number 78 for Argentina.
The Brazil head coach was critical of CONMEBOL president Alejandro Dominguez while he praised Neymar for his show of sportsmanship.
There were quite a few moments of magic in the tournament this year but there was one wondrous goal that stood out from the others.
With a 3-1-4-2 formation, here is the best XI of Copa America 2021.
Argentina ended their 28-year wait to lift the Copa America after Angel Di Maria's first-half goal clinched a 1-0 victory over Brazil in final at Rio de Janeiro's Maracana.
Lionel Scaloni said that if everyone knew that he played against Brazil with an injury, they would start loving Messi even more.
But win or lose, nothing is bigger than the friendship, and that was what exhibited by Lionel Messi and Neymar after Argentina beat Brazil in the Copa America Final.
The Paris Saint-Germain midfielder, who was named in the starting XI for just the second time in the tournament, beautifully picked the pass form Rodrigo and converted it to seal win for Argentina.
Angel Di Maria's first-half strike earned Argentina their first Copa America since 1993 and star Lionel Messi's first in his career.
While Argentina come into this game after a penalty-shootout win over Colombia, Brazil defeated Peru 1-0 to secure a place in the final.
Subscribe To Our Daily Newsletter And Get News Delivered Straight To Your Inbox.