Season Nine:

Aaron Kelly
Andrew Garcia
Casey James
Crystal Bowersox
Didi Benami
Katie Stevens
Lacey Brown
Lee Dewyze
Michael Lynche
Paige Miles
Siobhan Magnus
Tim Urban

Season Eight:
Adam Lambert
Alexis Grace
Allison Iraheta
Anoop Desai
Danny Gokey
Jasmine Murray
Jorge Nunez
Kris Allen
Lil Rounds
Matt Giraud
Megan Joy Corkrey
Michael Sarver
Scott McIntyre

Season Seven:
Amanda Overmyer
Brooke White
Carly Smithson
Chikezie
David Archuleta
David Cook
Jason Castro
Kristy Lee Cook
Michael Johns
Ramiele Malubay
Syesha Mercado
David Hernandez

Season Six:
Jordin Sparks
Blake Lewis
Melinda Doolittle
Lakisha Jones
Phil Stacey
Chris Richardson
Sanjaya Malakar
Haley Scarnato
Gina Glocksen
Chris Sligh
Stephanie Edwards
Brandon Rogers

Season Five:
Taylor Hicks
Katharine McPhee
Elliott Yamin
Chris Daughtry
Paris Bennett
Kellie Pickler
Ace Young
Bucky Covington
Mandisa
Lisa Tucker
Kevin Covais
Melissa McGhee

Season Four:
Carrie Underwood
Bo Bice
Vonzell Solomon
Anthony Fedorov
Scott Savol
Constantine Maroulis
Anwar Robinson
Nadia Turner
Nikko Smith
Jessica Sierra
Mikalah Gordon
Lindsey Cardinale

Season Three:
Fantasia Barrino
Diana Degarmo
Jasmine Trias
La Toya London
George Huff
John Stevens
Jennifer Hudson
Jon Peter Lewis
Camile Velasco
Amy Adams
Matthew Rogers
Leah LaBelle

Season Two:
Ruben Studdard
Clay Aiken
Kimberley Locke
Joshua Gracin
Trenyce
Carmen Rasmusen
Kimberly Caldwell
Rickey Smith
Corey Clark
Julia DeMato
Charles Grigsby
Vanessa Olivarez

Season One:
Kelly Clarkson
Justin Guarini
Nikki McKibbin
Tamyra Gray
RJ Helton
Christina Christian
Ryan Starr
A.J. Gil
EJay Day
Jim Verraros