The first golden buzzer of the series was awarded two weeks ago, when magician Marc Spelmann left Ant and Dec spellbound with his surprisingly emotional tricks.

simon cowell and amanda holden dating-74

When they finished, they were met with hordes of applause and before anyone could even offer a critique, Simon Cowell reached over and pressed the golden buzzer, granting the duo a place in the live semi-finals.

Making his way up on stage to congratulate Tim and Jack, Simon said: “You are special, that was fantastic. It reminded me of me and my boy [Eric].” “I was a mess through the whole thing, it was an amazing golden buzzer,” Amanda Holden later added, before Alesha Dixon declared Tim and Jack “by farther coolest father and son act we’ve had”.

They are well-known for their cheeky ways on the Britain's Got Talent judging panel.

Yet Simon Cowell and his glamorous co-stars Amanda Holden and Alesha Dixon took things from screen to the town on Thursday evening as they put on a raucous display while departing 34 Mayfair restaurant.

Also out for the night was Dec, who looked dapper in a grey plaid blazer with a crisp white shirt and black suit trousers.

He was joined by his talent manager wife Ali Astall, who looked effortlessly chic in a black suit jacket and trousers teamed with barely there heels.

Injecting some colour into her ensemble, the blonde beauty boasted a red pedicure and slick of scarlet lipstick.

The trio have been working together this month on the new series of Britain's Got Talent, and recently returned from Blackpool where they kicked off this year's auditions.

Once again viewers will be left wondering which contestants will received the coveted Golden Buzzer, which will send them straight through to the live semi-finals.