Preview: Nige and Kay take on Olly Murs hit | Auditions Week 4 | The X Factor UK 2015

Visit the official site: http://itv.com/xfactor Married couple Nige and Kay perform Olly Murs and Demi Lovato's collaboration Up for the Judges, and even Mr. Murs himself can't resist singing along to his OWN song... 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 Player (UK ONLY): http://www.itv.com/itvplayer