Carrie Underwood gave fans a blast from the past by performing "Alone" on "American Idol," two decades after doing so on the show in 2005.

Carrie Underwood, 42, went back to her “American Idol” roots for the season’s “iconic Idol moments” special on Monday night.

One of the performances during Monday night's "American Idol" episode struck a nerve with Carrie Underwood ... Whoopi Goldberg defends Underwood singing at Trump inauguration 'American Idol ...

Carrie Underwood has taken her final bow in Las Vegas, closing the curtain on her beloved Reflection residency with one final powerhouse performance. The country superstar, 42, officially wrapped ...