Sometimes contestants go the extra mile and amaze everyone by sining a song that THEY have written... here are some of our favourites from X Factor UK, USA, New Zealand, and Australia! 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