Olly Murs, Kelly Osbourne, Mary J Blige and Westlife's Shane Filan have been lined up as 'X Factor' guest mentors at the Judges' Houses stage of the c...
Read more: Louis Walsh, Olly Murs, Westlife, Gary Barlow, Nicole Scherzinger, Shane Filan, Sharon Osbourne, Mary J Blige, Uktv, UK Celebrity, Kelly Osbourne, X Factor, UK Entertainment News
