Luke Bryan is officially in as a judge for American Idol and Lionel Richie will be joining him and Katy Perry behind the table when the show reboots on ABC in January.
Carrie Underwood took the American Idol stage for the last time, and brought the show's performances to a close on Thursday night (April 7). The Season 4 winner stood on a pedestal to sing "Something In the Water" from her greatest hits album.