4th Impact perform 'Problem' by Ariana Grande <br /> <br />For Week 1 of Live Shows, the Top 13 tackle 'This Is Me' theme as each of them perform the song that they feel best shows them off as an artist. <br /> <br />Visit the official site: http://itv.com/xfactor <br />For more videos, head here: http://www.southomer.com/search/label/The%20X%20Factor%20UK
