The Top 10 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. Tonights theme: Songs from the 9... (more)0's. Performing tonight: Anthony Fedorov, Anwar Robinson, Constantine Maroulis, Harold "Bo" Bice, Nikko Smith, Scott Savol, Carrie Underwood, Jessica Sierra, Nadia Turner, and Vonzell Solomon.