“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 Fame special with the song