Ant & Dec announced that he had won the 2020 series on … All the Golden Buzzer acts for 'Britain's Got Talent' 2020. 4 Jon won the 2020 series of Britain's Got Talent Credit: itv All five Britain's Got Talent Golden Buzzer acts have been chosen. Musical comic Jon Courtenay has become the first ever Golden Buzzer act to win Britain's Got Talent. Hosts Ant and Dec were particularly thrilled by his victory as Jon was their Golden Buzzer act from the auditions.