Dermot O'Leary hosts the third set of auditions in the search for a new pop sensation. Judges Louis Walsh, Gary Barlow, Kelly Rowland and Tulisa Contostavlos are on the hunt for outstanding talent, but will they find what they are looking for? This week, the tryouts move to a new city, where hopeful performers have lined up for their chance to sing for the panel. Dermot is on hand to celebrate or commiserate with the contestants. (thetvdb.com)