Isbell wrote and released the song as his own in 2013, and Wallen covers it on his latest album.
The news comes after the singer teased she was making a big announcement on 'Good Morning America.'
The 27-year-old singer posted a lengthy video apologizing for his actions and sharing what he's learned.
Britney's lawyers have said she will no longer perform as long as her father is in charge.
ET toured the musician's Malibu, California, home studio ahead of his concert film, 'Orchestrating My Life,' premiering Feb. 14.
This year's nominees is a female-heavy list of 16 acts.
Pink posted a sweet clip of her 9-year-old daughter Willow singing ‘Cover Me in Sunshine.’
The singer said she is learning to 'be a normal person.'
Like mother, like daughter!
ET spoke with executive producer Jesse Collins on Monday, who spilled all the behind-the-scenes secrets on how the show came to be.
The performer brought his 'After Hours' era to the big game on Sunday!
The singer brought his 'After Hours' era to the big game on Sunday!
The singer performed as a kickoff to the NFL championship game between the Tampa Bay Buccaneers and Kansas City Chiefs.
Check out some of ET's top new music picks of the week!
