The country crooners had a friendly feud on Twitter.
The singer also opened up to ET about the upcoming season of 'American Idol' and his new album.
ET's Rachel Smith spoke with Luke Bryan ahead of his seventh studio album release this Friday.
Country music superstar Luke Bryan hosts 'CMA Best of Fest,' a three-hour retrospective airing tonight at 8/7c on ABC.
The 'Idol' judges and past winners came together for a star-studded performance on the song's 35th anniversary.
See which of the final contestants took home the victory Sunday night.
The expectant singer also opened up about how she's 'always felt very mothering' during Sunday's show.
The singer and judge showed off yet another elaborate costume during Sunday's remote episode of 'Idol.'
ET chatted with the judges of 'American Idol,' Katy Perry, Luke Bryan and Lionel Richie, about the show's new, remote episodes.
For the show's first remote episode, Perry made sure to rock a truly unusual outfit.
After Sunday's surprising twist, fans took to Twitter to weigh in.
Some of country's biggest stars came together for a unique special on Sunday night -- and paid tribute to The Gambler.
One singer brings her to tears after triumphantly returning to the stage after suffering a medical emergency.
The singer joked that Lionel Richie is just too pricey to hire as a wedding singer.
