Will Smith said Kanye West is trying to get him to rap again, and the bug apparently bit him hard.

The 'After Earth' actor joined his son and co-star Jaden Smith on 'The Graham Norton Show,' where they not only did a duet of Jaden's hit 'Hello' -- they also delivered some classic 'Fresh Prince' rhymes and moves ... with some special guests.

Joining Will and Jaden were DJ Jazzy Jeff, the Oscar winner's longtime partner in crime and rhyme. The trio delivered a rendition of 'The Fresh Prince of Bel Air' theme song, but that wasn't all.

Will was a rapping Billy Mays: Just when you thought it was as good as it got, there was more to the deal. The biggest bonus? Alfonso Ribeiro, reprising his role as Carlton Banks -- and doing his infamous dance, now known as 'The Carlton.'

Seriously? Just watch it. The amount of awesome can't be conveyed in words.

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