Remember last week when I posted this impromptu rap by Will Smith?  Well, now I found a video of Will Smith, his son Jaden Smith, DJ Jazzy Jeff and Alfonso Ribeiro!

The Smith's aren't rapping to 'Summertime' in this video, instead they break into song to the theme of the great old TV show, 'The Fresh Prince of Bel Air.'

And Carlton makes a surprise visit!

Watch below -

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