Will Smith may be a big movie star that's left his musical past behind him, but he'll never fully escape its grip.

And let's be honest: 'Boom! Shake the Room' remains a stone-cold classic and we'll fight anyone who suggests otherwise.

So when Smith appeared on Jimmy Fallon's show last night to rap the story of his career  - from Fresh Prince to Hollywood superstar - we can't say that we weren't intrigued.

The song references various hits by DJ Jazzy Jeff and the Fresh Prince, including 'Girls Ain't Nothing But Trouble', as well as movies like 'Bad Boys', 'Men in Black', 'Independence Day' and more.

More than one person, meanwhile, has noticed how Jimmy Fallon sounds like one of the Beastie Boys.

Watch it below: