Diana DeGarmo and Ace Young in American Idol (2002)

Diana DeGarmo, Ryan Seacrest, and Ace Young in American Idol (2002)

Special Guest and Jennifer Holiday in American Idol (2002)

Lionel Richie, Luke Bryan, and Katy Perry in American Idol (2002)

Harry Connick Jr. in American Idol (2002)

Jordin Sparks, Hollie Cavanagh, and Special Guest in American Idol (2002)

Lionel Richie, Ryan Seacrest, Luke Bryan, and Katy Perry in American Idol (2002)

Lionel Richie, Ryan Seacrest, Bobby Bones, Luke Bryan, and Katy Perry in American Idol (2002)