'American Idol' adds Carrie Underwood to its panel of judges, replacing Katy Perry
Carrie Underwood, who won 'American Idol' in 2005, will replace Katy Perry as a judge for the show when it returns for Season 23.
Carrie Underwood, who won 'American Idol' in 2005, will replace Katy Perry as a judge for the show when it returns for Season 23.