Watch all the best world records on Britain's Got Talent 2017. Who was your best world record?? Let us know in the comments below..

▶ Ryan Tracey:
   • Ryan Tracey is on a balloon blindfold...  

▶ John Gough:
   • John Gough attempts not one, but TWO ...  

▶ Hagrid the Dog:
   • See huge dog Hagrid’s sausage slingin...  

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