Their first Britain's Got Talent performance together was in the Series 6 audition held in London, aired 24 March 2012.
There they began the contest as "Charlotte and Jonathan" and sang "The Prayer".
Who knew he was a smashing and smiley bundle of fun?
Recollections of the opera singing teen's time on Britain's Got Talent throw up images of a shy and troubled young man.
The pair were later offered a contract, which would see them release their debut album around Christmas.
Regarding the production of the album, according to The Sun, "The album will feature new songs and covers, including "The Prayer", which the duo sang at their first audition and at the Final.
A documentary following the young teenagers' success since the show was aired on ITV on 2 November 2012 at 9pm.
Jaconelli described the album as "an album of covers, some classical songs but also pieces that are less predictable than our first album.Charlotte, you sang really, really well tonight." He finished by admitting that: "That was one of my favourite ever Britain’s Got Talent performances."David Walliams concluded the praise by telling the duo: "Well done for proving Simon wrong.I have no clue what you were singing about, but I wanted to cry! You could be winners on Saturday night." In the final, held on , they appeared 11th, again performing "The Prayer", and received a standing ovation for their performance.But Jonathan told me that "our time came" and the partnership ended earlier this year so that both could pursue their solo careers.Of course, at their first audition for Britain's Got Talent in March 2012, Simon Cowell famously suggested that Jonathan should ditch Charlotte from the start and go solo.SCROLL DOWN TO WATCH OUR INTERVIEW WITH JONATHAN ANTOINE In the first part of my in-depth chat with Jonathan he tells me about the reasons his hugely successful partnership with Charlotte Jaconelli had to end.