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

While judging on 'American Idol', Carrie Underwood recently took the stage to recreate her iconic performance of "Alone" ...

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 ...

It’s been 20 years since Carrie Underwood won Season 4 of American Idol in 2005, but she can still fit into the same exact ...

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

After an incredible compliment (and true prediction!) from 'American Idol' judge Simon Cowell, Underwood says she felt like ...

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

Fans of American Idol are buzzing after brand new judge Carrie Underwood put on an unforgettable performance during the ...

Carrie Underwood‘s cover of Heart’s “Alone” on American Idol is now one of the most memorable performances from her winning ...

Carrie Underwood has come full circle since winning "American Idol" two decades ago. The singer has sold over 85 million ...

Singer Carrie Underwood revealed she feared getting hate after a certain throwback moment on American Idol. Underwood, who ...

American Idol' judge Carrie Underwood had fans in shock when she performed Heart's "Alone" on the show for the first time ...