How does the golden buzzer work in BGT semi-final? For the very first time in the ITV show’s long history, the golden buzzer will be in play for the semi-finals.

'The impressionist tonight on Britains got talent @willburns was brilliant glad he’s got the golden buzzer in my opinion.

"I can exclusively reveal another change to this year's format, introducing the brand new live semi-final golden buzzer!" he said. "For the first time in BGT history, the buzzer will now appear ...