Didn't see that coming! Simon swaps places with the elusive Hacker, taking part in an elaborate magic act that ends in the Judge himself receiving the highly sought-after Golden Buzzer. See more from Britain's Got Talent at http://itv.com/BGT 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