Will Smith and Gary Barlow Do 'The Fresh Prince of Bel-Air' Rap during The Graham Norton Show on BBC One. Will Smith is traveling around the world to promote his new film, MEN IN BLACK III. I hate the fact that the audience sang along with him, I wanted Will to do the rap alone. But it was nice to see that he still had it in him. MEN IN BLACK 3 will be in Theaters this Friday, 5/25/12. The (Official Trailer) is included in…