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 BoylePaul PottsCalum ScottCharlotte and JonathanSee more from Britain's Got Talent at http://itv.com/talentSUBSCRIBE: http://bit.ly/BGTsubFacebook: http://www.facebook.com/BGTTwitter: http://twitter.com/BGTInstagram: https://www.instagram.com/bgt/