Emily Nakanda ( born 21 August 1992 , aged 14 at the time of the show ) was the youngest of the series 4 finalists .
Was the first 14 - year - old to audition for The X Factor since the minimum age was lowered to 14 .
Emily Nakanda ( born 21 August 1992 , aged 14 at the time of the show ) was the youngest of the series 4 finalists and was the first 14 - year - old to audition for The X Factor since the minimum age was lowered to 14 .