Carrie Underwood returns to American Idol for the season finale on Sunday. Also joining the lineup are Kane Brown, Jon Pardi and Dan and Shay. Luke Bryan will perform his new single, "Knockin' Boots." He'll also sing with former contestant Laci Kaye Booth.
American Idol airs this Sunday night at 8 Eastern on ABC.
If you're keeping track, Carrie is credited for being the American Idol contestant who has racked up the largest net worth. It's in the neighborhood of $85 million. Kelly Clarkson comes in second. The least successful winner of Idol (according to a survey), is Caleb Johnson. He won season 13.
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