One True Voice were a short-lived British boy band created on the ITV television series Popstars: The Rivals in which pop groups of both genders created through a public vote would contest the single charts for the 2002 Christmas number one single. In the contest, One True Voice with their No. 2 double A-side "Sacred Trust / After You're Gone" lost out to girl group Girls Aloud and their No. 1 single "Sound of the Underground".