He rose to fame after appearing on the sixth series of Britain's Got Talent in 2012 as half of the classical duo Jonathan and Charlotte.

At the age of 11, Antoine enrolled at West Hatch High School in Chigwell and met singing coach Jenny Ewington and head of music Ginette Brown.

"[1] After Antoine's voice broke around the age of 13, Ewington selected "Bring Him Home" from Les Misérables for him to perform at the 2010 Stratford and East London Music Festival, where he was named the Young Musician of The Year.

[2] He sang "Ave Maria" at the Royal Festival Hall in London as part of the Rotary Youth Makes Music event in 2011.

[9] Antoine performed in an album pre-release tour of the UK, followed by an appearance at the closing concert of iTunes Festival 2014 at the invitation of Plácido Domingo.

[1][10] He started a solo career in the United States and performed at the 2014 Muhammad Ali Celebrity Fight Night in Arizona, California and Florida.

The album was produced by Anna Barry,[12] who has worked with Andrea Bocelli, José Carreras, the Kirov Opera and Andrew Lloyd Webber.

"[13] Antoine added two previously unreleased tracks to his list on Tenore available for international download through Amazon and iTunes in time for Mother's Day 2016 in the UK.

Robert Cummings said, "His voice is very versatile, sufficiently powerful and has a velvety, creamy sound that is quite unique".

In June 2019, he performed at the Winter Garden Theatre in Canada in a three-part concert entitled Beyond the Curtain, where he sang Disney songs, American Songbook classics and opera arias, including singing "Nessun Dorma" publicly for the first time.