Will Smith may be plotting a music comeback, especially if rumors that he's been in the studio with Kanye West are to be believed, but for now the Fresh Prince's happy rapping remains on hold – save for the occasional late night appearance. On Wednesday, Smith grabbed the mic as he was introduced on The Late Show With David Letterman, spitting a verse of his perennial party jam, “Gettin' Jiggy Wit It.” Smith dedicated the impromptu performance – complete with audience participation on the “Na na na” bits – to… “
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