The room auditions come to an end this weekend as rock royalty Sharon Osbourne, pop sensation Nicole Scherzinger, chart maestro Louis Walsh and The X Factor creator and music mogul Simon Cowell are reunited on the judging panel.They are joined by the nation's favourite TV host, Dermot O'Leary, who is back to guide viewers through all of The X Factor action as well as providing hopefuls with those much-needed ‘Dermot hugs'.Expect knock out vocals and big personalities as the auditionees find themselves face-to-face in front of the judges in a very personal setting. This is their last chance to prove their worth and secure a place at Boot Camp next week.