AMERICAN IDOL XIII: Top 7: (Clockwise from left) Alex Preston, Dexter Roberts, Caleb Johnson, Jessica Meuse, C.J. Harris, Jena Irene and Sam Woolf backstage at AMERICAN IDOL XIII airing Thursday, April 10 (9:00-9:30 PM ET / PT) on FOX. CR: Michael Becker / FOX. Copyright 2014 / FOX Broadcasting.