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

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

There were enough hints dropped by American Idol regarding this nostalgic performance, but still, it took fans by surprise.

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 ...

The season 4 winner is now a judge on 'American Idol,' and she joined in the show's "Iconic Idol Moments" night by re-wearing ...

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

Longtime American Idol viewers undoubtedly recognized the dress Carrie Underwood wore on the show on Monday night (April 28).

Carrie Underwood made an unforgettable return to the American Idol stage on Sunday, opening the latest episode with a ...

The theme of tonight's episode of American Idol is "Rock and Roll Hall of Fame Night," and judge Carrie Underwood is ready to ...

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.