By Olivia Wheeler Britain’s Got Talent hosts Ant McPartlin and Declan Donnelly pleaded “make it stop” over one surprise audition on Saturday night. During the latest instalment, judges Simon Cowell, Amanda Holden, Alesha Dixon and Bruno Tonioli were shocked to suddenly see a montage of Simon flash up on stage. Simon was left baffled over the montage as all of a sudden a man, dressed as Simon, appeared on stage singing The Best by Tina Turner. Ant and Dec were left in hysterics over Simon’s reaction as he covered his face. However, the act was far from over as hundreds of people dressed as Simo…