As a former 'American Idol 'winner herself, Carrie Underwood has a special perspective on what words of wisdom a newly-crowned champ most needs to hear.

During the Season 23 finale of 'American Idol,' Carrie Underwood performed 'I'm Gonna Love You' with finalist Slater Nalley, and Cody Johnson joined in as a surprise star guest.

This was an unforgettable moment from the 'American Idol' finale (Carrie Underwood's first finale as a judge!).

More than 20 years after her 2005 win, Carrie Underwood admits Ryan Seacrest's winner reveal on "American Idol" is ...

E! News catches up with 'American Idol' judge Carrie Underwood at the season finale. Plus, Jessica Simpson performs during the show and dishes on a possible tour.