In the words of Simon Cowell himself, "This wasn't supposed to happen". Maxwell Thorpe's rendition of Luciano Pavarotti's 'Caruso' will stop you in your tracks. See more from Britain's Got Talent at http://itv.com/BGT Catch up on... ITV Hub: https://www.itv.com/hub/britains-got-talent/ STV Player: https://player.stv.tv/summary/britains-got-talent SUBSCRIBE: http://bit.ly/BGTsub Facebook: http://www.facebook.com/BGT Twitter: http://twitter.com/BGT Instagram: https://www.instagram.com/bgt/ TikTok: https://www.tiktok.com/@bgt