Tonight on AMERICAN IDOL, the Top 11 finalists will perform LIVE for the nation, vying for the AMERICAN IDOL crown. The contestants will sing their hearts out in hopes of winning America‘s vote and surviving another week in the competition.Tonight‘s theme is: Billboard top 100 hitsPerforming Tonight is: Anthony Fedorov, Anwar Robinson, Constantine Maroulis, Harold "Bo" Bice, Nikko Smith, Scott Savol, Carrie Underwood, Jessica Sierra, Mikalah Gordon, Nadia Turner, Vonzell Solomon