Simon Cowell, 63, and fiancée Lauren Silverman, 45, leave the Britain's Got Talent semi-finals

Britain's Got Talent fans in hysterics as Boycanto smash Simon Cowell in the face with a cream pie

BGT viewers in hysterics as Mr Blobby gatecrashes the stage to replace Simon Cowell

Simon Cowell makes rare apology to Britain's Got Talent act as viewers SLAM 'rude' judges