Visit the official site: http://itv.com/xfactor Simon vetoes all of Lauren's Whitney Houston suggestions but he is happy for her to audition with Jocelyn Brown's Somebody Else's Guy. Watch his face light up - do the judges have a fight on their hands? 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