Season 1 :
Kelly Clarkson,Justin Guarini,Nikki Mckibbin,Tamyra Gray,RJ Helton,
Christina Christian,Ryan Starr,AJ Gil,Jim Verraros, & EJ Day
Season 2 :
Ruben Studdard,Clay Aiken,Kimberly Locke,Josh Gracin,Trenyce,
Carmen Rasmusen,Kimberly Caldwell,Ricky Smith,Julia Demato,
Charles Grigsby,Vanessa Olivarez, & Corey Clark
Season 3 :
Fantasia Barrino,Diana DeGarmo,Jasmine Trias,Latoya London,
George Huff,John Stevens, Jennifer Hudson,
Jon Peter Lewis,Camille Velasco, Amy Adams,
Matt Rogers, & Leah Labelle
Season 4 :
Carrie Underwood, Bo Bice, Vonzell Solomon,
Anthony Fedorov, Scott Savol, Constantine Maroulis,
Anwar Robinson, Nadia Turner, Nikko Smith,
Jessica Sierra, Mikalah Gordon,& Lindsay Cardalini
Season 5 :
Taylor Hicks, Katharine McPhee, Elliot Yamin, Chris Daughtry,
Paris Bennet, Kellie Pickler, Ace Young, Bucky Covington,
Mandissa, Lisa Tucker, Kevin Covais, & Melissa McGhee
