Morgan Wallen and Post Malone have teamed up on new music. The duo released "I Ain't Comin' Back" Friday ahead of Wallen's upcoming album, "I'm the Problem." ...

Post Malone and Morgan Wallen have joined forces again, on a new song called "I Ain't Comin' Back." After the success of their smash hit "I Had Some Help," the two stars hit the studio again ...