SINGERS WHO SHOCKED THE WORLD! | Britain's Got Talent

Over the years, BGT has unearthed some of the greatest talents this nation has ever seen. But, sometimes, there comes along an act that has gone on to make a global impact. Here we celebrate those game changers! Acts featured: Susan Boyle Paul Potts Calum Scott Charlotte and Jonathan See more from Britain's Got Talent at http://itv.com/talent SUBSCRIBE: http://bit.ly/BGTsub Facebook:   / bgt   Twitter:   / bgt   Instagram:   / bgt