The hit reality singing competition returns for season 23 on Sunday. Here's what runners-up like Justin Guarini and Adam ...

Justin Guarini took his singing skills to Broadway after "Idol." Guarini worked for a wedding entertainment company before he competed on "Idol" in 2002. He told Business Insider that when he ...

The new musical Next Big Hit has announced their creative team, featuring Justin Guarini as director ... "America's Next Big Hit", a nationally televised singing competition.