Visit the official site: http://itv.com/xfactor Kiera Weathers, Castiello, Kelly-Mai Webb, Lochei and Decibellas perform Taylor Swift’s Blank Space for the panel but a certain duo are not happy with the song choice. 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