Visit the official site: http://itv.com/xfactor <br /> <br />Returning to the stage where it all began, Louis Tomlinson performs his debut solo single, Just Hold On, on The X Factor Live Final! <br /> <br />SUBSCRIBE: http://bit.ly/TXFSub <br />Facebook: http://bit.ly/TXFFB <br />Twitter: http://bit.ly/TXFTwi <br />Download The X Factor mobile app: http://bit.ly/TXFapp <br />Watch full episodes on ITV Hub (UK ONLY): http://www.itv.com/hub/the-x-factor
