X proves the impossible in this MIND-BLOWING performance | Semi-Finals | BGT 2019

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See more from Britain's Got Talent at http://itv.com/talent We don't know who X is. We don't know how X does it. Watch the incredible moment X not only proves Ant & Dec's connection is stronger than ever, but that X has always been around... SUBSCRIBE: http://bit.ly/BGTsub Facebook: http://www.facebook.com/BGT Twitter: http://twitter.com/BGT Instagram: https://www.instagram.com/bgt/ Shop: https://shop.britainsgottalent.co.uk