
“The World's Greatest” by R. Kelly is an inspirational R&B song released in 2001. It was originally featured on the soundtrack for the film Ali — a biopic of the legendary boxer Muhammad Ali — and later included in R. Kelly’s compilation album The R. in R&B Collection, Vol. 1
“The World’s Greatest” is a motivational anthem about self-belief, perseverance, and inner strength. R. Kelly sings in the voice of a champion — someone who has faced trials but remains unbroken. It’s a song of resilience, perfectly aligned with the story of Muhammad Ali.