Originally paired together by their singing coach at school in Chigwell, Essex to perform for their music GCSE exam, the vocal chemistry between Jonathan Antoine and Charlotte Jaconelli was such that they passed with flying colors. So impressed by their rendition of "The Prayer" -- originally performed by Andrea Bocelli and Celine Dion -- their teacher at West Hatch High School asked them to sing again, this time at her wedding ceremony. Not stopping there, the duo then decided to take things to the next level and try their luck on Simon Cowell's hit talent show Britain's Got ...