Q - Howie's X R - Mel B's X U - Heidi's X P - Howard's X Z - blackout X's B - blackout stage and X's
2013 saw Melanie Brown and Heidi Klum join the panel as Sharon left to do The X Factor UK. The boxes underneath the stage X's were also given a totally different look. New features: - X's now illuminate more - the red flashing stage is better looking Update (17th June 2014): - variable added - better X's that are now orange - brand new sounds added
