American Idol: Season 12, Episode 11

12 - 11: Semifinalist Round: Part 1 - Girls Perform

In a new twist, the competition moves to Las Vegas, where the Top 40 semifinalists will be split into guys and girls. Starting tonight, 10 semifinalists will perform and the judges will be faced with the tough decision of choosing which five will stay each night and which five will be sent home.