We first met Leona Lewis in series three of The X Factor, but at that moment she had no idea she'd go on to WIN. Take a look at how far she came, from her VERY FIRST audition to her WINNING performance. Visit the official site: http://itv.com/xfactor SUBSCRIBE: http://bit.ly/TXFSub Facebook: http://bit.ly/TXFFB Twitter: http://bit.ly/TXFTwi Download The X Factor mobile app: http://bit.ly/TXFapp Watch full episodes on ITV Hub (UK ONLY): http://www.itv.com/hub/the-x-factor