Dermot O'Leary hosts as the singing competition reaches the bootcamp stage. Simon Cowell and fellow judges Sharon Osbourne, Louis Walsh and Nicole Scherzinger oversee a series of dancing and singing challenges, all aimed at weeding out the less-talented candidates before next weekend's daunting arena auditions. Dermot O'Leary is on hand as ever to offer support and a shoulder to cry on, but which acts will be continuing on their X Factor journey and who faces a disappointing trek home?