Carrie Underwood, 42, went back to her “American Idol” roots for the season’s “iconic Idol moments” special on Monday night. For the occasion, the singer — who is now a judge for the singing competition show — chose the exact same dress she wore in 2005 when she won Season 4.

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