Amanda Holden has compared a new Britain's Got Talent contestant to an international music sensation, as the show sets a record for the most golden buzzer acts in its history.The BGT judges were completely blown away by this year's talent, resulting in a record-breaking number of acts going straight through to the live finals. Previously, the Britain's Got Talent judges were allowed to give five golden buzzers - one for each judge and one for the dynamic duo Ant and Dec.