Look who's back! Simon Cowell surprises judges making his big return on U.K. X Factor... but will he be staying as a mentor?
By SARAH FITZMAURICE Look who's back! Simon Cowell surprises the judges on the U.K. version of the X Factor making a return earlier today He quit the U.K. X factor to launch the U.S. version of the show but today Simon Cowell made his return. The media mogul found himself in front of the judging panel desk, rather than behind it as he popped in to see just how things were getting on without him.