Gary Barlow, Nicole Scherzinger, Tulisa and Louis Walsh continue their yawnfest search for a pop star in the first of two editions this week as more solo singers and groups, from the talented to the tuneless, set out to impress at the auditions. At stake is a place in the next round - boot camp - which Simon Cowell has promised will be tougher than in previous years. Dermot O'Leary is backstage with the contestants as they prepare to face the judges and an audience of thousands. The next edition is tomorrow at 8pm. 'Cause YOU just can't get enough of it.