"Trace has entered a treatment facility after a setback in his battle with alcoholism," his rep said. "As he faces these issues head on, we ask that his family's privacy will be respected."
Adkins was headlining a seven-day country music cruise when he allegedly got in a brawl on Monday with a Trace Adkins impersonator who was singing karaoke to one of his songs, according to TMZ.
The singer has since left the cruise and entered a rehab facility. Adkins had been sober for 12 years.