Description by couchtuner for American Idol Season 15 Episode 12 : Favorite former IDOLS will return to mentor and sing with the contestants. Then, after giving it their all, the first round of performers will find out who will make the cut. The judges vote on who will stay in the competition to become the next, and final, AMERICAN IDOL.
Watch It Here : American Idol Season 15 Episode 12 Showcase #2: Judges Vote