"Trace has entered a treatment facility after a setback in his battle with alcoholism," his rep said in a statement. "As he faces these issues head-on, we ask that his family's privacy will be respected."
Sources told TMZ that the 52-year-old was scheduled to perform on the Country Cruising cruise until he got into a physical altercation with his impersonator -- the two previously met in 2007.
Until this recent incident, Adkins had been sober for 12 years. The "You’re Gonna Miss This" singer spend two days in jail after pleading guilty to a DUI charge in 2001.