BEST Guest Judges On The X Factor UK! | X Factor Global

From old contestants to superstar musicians, watch the best performances that feature amazing guest judges on the X Factor UK! X Factor Global brings together the very best acts from around the world, keeping you up to date and ensuring that you never miss a thing! Subscribe to X Factor Global: https://www.youtube.com/user/xfactorglobal Watch more X Factor Global videos: https://www.youtube.com/user/xfactorglobal/videos