WATCH: Cumberland, Maine’s Julia Gagnon Stuns American Idol Judges, Gets Platinum TicketWATCH: Cumberland, Maine’s Julia Gagnon Stuns American Idol Judges, Gets Platinum TicketCumberland, Maine's Julia Gagnon was the last person to audition for season 22 of American Idol, and she stunned the judges with the power of her voice.Jeff ParsonsJeff Parsons