He scored two top 10 album hits with singing partner Charlotte and now Jonathan Antoine is planning to take the charts by storm, on his own.
The opera singer who is still only 19, releases his debut solo album next month.
Once again BGT's travelling across the UK looking for wonderful, weird and astounding talent.
The 2015 series will start with a return to Scotland and The Festival Theatre, Edinburgh in January, followed by The Lowry Theatre, Salford.
The tour will then continue in February with visits to The Hippodrome, Birmingham and The Dominion Theatre, London.
The venues will play host to the Judges’ auditions, where hopefuls will audition in front of the panel in the hope of getting through to the next stage and the all-important live shows.
Think you could be the next Collabro?
For your chance to audition in front of the Judges APPLY NOW!
Jack Pack wooed the audiences and impressed the Judges with their cool performances of big band classics including Frank Sinatra's That's Life and Nina Simone's Feeling Good in the live final. Now their dream's come true as they're working on a record with Simon Cowell's company.
"I love this era of music, it only works if you've got great voices and if you respect the time and Jack Pack win on both counts."
Simon continued "I've always wanted to work on this type of record so I am looking forward to us working together".
The band is made up of singers Sean Ryder Wolf, Alfie Palmer, Andrew Bourn and Martin McCafferty.
They said: "It's a dream come true for us to be signing to Syco Music. We'd like to thank Simon Cowell for believing in us and giving us this opportunity.
"We can't wait to get to work in the studio and try to repay our supporters for the faith they have shown in us."
The band will start working with the Syco Music team on their debut album which will take influences from the Rat Pack and swing music styles they are renowned for.
Their debut album is due to be released in 2015.
Think you could be the next Jack Pack? Apply now for BGT 2015.
David's always got a eye on Simon and he posed Mr Cowell a tricky question about his other show on Twitter...
If you think you've got what it takes to face the Judges apply now for BGT 2015.
Our amazing 2014 Britain’s Got Talent winners Collabro have grabbed the top spot in the UK album chart. You voted for them to win BGT and now they've conquered the charts!
Pudsey the Movie is in cinemas from today (Friday 18th July).
If you didn’t know already, our lovely BGT Judge David Walliams provides the voice for Britain’s favourite dancing dog - and we’ve got the lowdown on how he did it.
The exciting plot involves Pudsey leaving behind a career as an actor to venture out into the world. Stowing away inside a removal van, he ends up living with the quirkiest of families on a farm, where the dog-hating landlord is bent on getting rid of him.
Saying any more than that will spoil the fun – so before you get to the cinema take a peek at how David Walliams approached giving a voice to our shaggy friend.
Pudsey The Movie, starring Britain’s Got Talent’s winning dancing dog, hit the big screen on Sunday. As well as superstar Pudsey and his glamorous owner Ashleigh, some well-known faces graced the red carpet in Leicester Square for the premiere.
Our very lovely Judge, David Walliams voices Pudsey’s lines in the movie. He made it along to escort Pudsey and Ashleigh into the cinema, and they were joined by a host of stars including Michelle Collins, Sinitta, Claire Sweeney and Harry Derbidge.