American Idol's Carrie Underwood shared another surprise in her recent Idol to Icon episode, citing a major prediction from former judge Simon Cowell.

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

If American Idol finalist Mattie Pruitt wants to stick around, she may want to consider Carrie Underwood‘s advice. The country superstar and former American Idol winner actually offered two notes of criticism during Sunday night’s (April 27) show.