Underwood, who's now serving as a judge on the show, won the show in 2005 Carrie Underwood is throwing it back to 2005. On Sunday, April 6, the "Before He Cheats" singer shared a carousel of never-before-seen pictures from her run on American Idol in 2005.

Carrie Underwood has made a name for herself in music since winning American Idol in 2005, but her impressive career and past success on the show don't mean she's making the same money Katy Perry did as a judge on the show.

During a recent American Idol episode, Carrie Underwood didn’t hesitate to roast her co-star. She joined Season 23 as a judge to replace fellow singer Katy Perry, who left for her world tour and travel to space in a historic Blue Origin flight.