The multi-platinum country artist shocked both the audience and Nalley when he joined mid-performance - pictures here.

As a former American Idol winner herself, Carrie Underwood has a special perspective on what words of wisdom a newly-crowned ...

Carrie Underwood took the stage with American Idol contestant Slater Nalley to perform “I’m Gonna Love You,” her heartfelt duet with Cody Johnson, during the Idol finale on Sunday evening (May 18).

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.

Ryan Seacrest called it "genuine thrill and surprise." ...