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 dressCarrie Underwood had a major throwback moment on the Monday,

Carrie Underwood is back on "American Idol" as a judge and as she relives the start of her music career, she re-wore the dress she wearing when she won back in 2005.

Some American Idol fans are expressing discontent with Carrie Underwood on the show's judging panel, the latest blow to the show alum who is also being accused of "ruining" the show. Underwood, who recently surprised with a familiar dress on a recent episode,