Jason Byrne has recalled his hilariously mortifying gaffe on Ireland's Got Talent when he accidentally hit the Golden Buzzer during an audition, sending the act straight through to the semi-finals.

The comedian became the first person in the history of the Got Talent franchise to unintentionally set off the Golden Buzzer during drag performer Martin McGuinness' performance.

His fellow judges Louis Walsh, Denise Van Outen and Michelle Visage had pushed their buzzers to get the act off the stage, but Byrne ended up fighting to stop the others from pushing his button so he could see the end of the act.

He spoke about the amusing blunder on Channel 4's Sunday Brunch: "We had an act on, near the start of the auditions, and they weren't great, that act, but I wanted to see the end of it. And Michelle, Louis and Denise had all pressed their buttons... so Louis Walsh was trying to hit my button to stop it.

"So I put my arm around my buzzer, but I also put my leg up to stop, and I hit the Golden Buzzer with my knee. And it went off, and glitter went everywhere... And I thought it was part of his act."

He continued: "I had never seen the Golden Buzzer go off and I was like, 'Oh that's good, that bit', and they're going, 'No you idiot, you put him through to the semi-finals'."

Watch the hilarious moment play out from about 2 minutes below.

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Byrne said he got into a bit of hot water with the show's production team afterwards.

"Simon Cowell's people, who own the show, came over while we were shooting it to make sure we didn't break it, and I broke it," he said.

"I was called in afterwards, into a room, and they said, 'Jason, this show is on in 30-whatever countries, it's been on for so many years, you were the first human in the world to hit that button by accident'."

The performer did end up going through to the semi-finals but didn't get any further, with the series ultimately going on to be won by Cork dance troupe RDC.

Byrne will be returning for the second series of Ireland's Got Talent in 2019.