Age: 18 & 20

Hometown: Germany & Wales

British pop duo Bars and Melody (BAM), comprised of rapper Leondre Devries and singer Charlie Lenehan, first appeared on "Britain's Got Talent" in 2014, where they received the Golden Buzzer from judge Simon Cowell. They ultimately finished in third place, and in 2015 released their debut studio album, which debuted at No. 4 in the UK.