The X Factor viewers left baffled over 'missing' boy Brad Howard during Six Chair Challenge

The X Factor viewers were confused as to where Brad Howard was during the Six Chair Challenge [Instagram/Brad Howard]On The X Factor, Nicole Scherzinger whittled down her category of 'overs' to just six singing hopefuls in the brutal Six Chair Challenge.However, during the tough competition, viewers noticed that Michelle Keegan's ex Brad Howard's audition didn't appear on the show – after wowing the judges in the first stages and even cheekily asking for Nicole's ...