Morgan Wallen and Post Malone are hoping to strike gold (or platinum) again with "I Ain't Comin' Back," their second collaboration following last year's smash hit "I Had Some Help."‘ Back," their second collaboration following last year's smash hit "I Had Some Help.

Morgan Wallen and Post Malone’s new track “I Ain’t Coming Back” debuts at No. 1 on iTunes, setting up what looks to be another major Billboard hit for both stars.