Visit the official site: http://itv.com/xfactor Throwing back to 2015, 18 year old supermarket worker Ché Chesterman took a gamble when he auditioned for The X Factor with Jessie J's hit Who You Are. Take a look back at his Unforgettable Audition. 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