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.

Days after she shared a 20-year-old clip of her performing Heart’s hit 'Alone,' she opened the show’s Rock and Roll Hall of ...

Carrie Underwood is giving "American Idol" fans a ... Idol" by delivering a show-stopping performance of the song "Alone," made famous by Heart, just as she did on the show 20 years earlier.

“American Idol” judge Carrie Underwood has surprised viewers with a callback to her time on the show in 2005.