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

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 dress that she wore to perform during the finale back then.

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 her famed dress Carrie Underwood had a major throwback moment on the ...

Carrie Underwood has never looked better than in her latest American Idol outfit, which saw the singer don a stunning pink mini dress that perfectly showcased her toned legs. See details.

Carrie Underwood re-wore her 2005 "American Idol" finale dress as she judged the April 28 episode of the competition series.

Carrie Underwood had a major throwback moment on the Monday, April 28, episode of American Idol. Ahead of the episode, she shared a video on Instagram revealing that she had slipped back into the ...