The judge will become the performer for one night.
(Hollywood, CA) -- Luke Bryan is pulling double-duty on the season finale of "American Idol."
In addition to judging, Bryan will perform his latest hit, "Knockin' Boots." Just-ousted contestant Laci Kaye Booth will join him.
Carrie Underwood, Kane Brown, Dan + Shay and Jon Pardi will also take the stage.
The Season 17 finale is this Sunday, May 19th, on ABC.