Trace Adkins checked himself into rehab earlier this week.

A spokesperson confirms that Trace has entered a treatment facility after a setback in his battle with alcoholism. Meanwhile, reports circulate that he may have been involved in a fight.

TMZ reports that Adkins was involved in a fight with an impersonator who was doing karaoke on-board a country music cruise. The two allegedly got physical, and when the cruise ship docked in Jamaica, the real singer left.

In December, 2002, Trace completed a 28-day alcohol rehabilitation program at a alcohol and drug treatment Center near Nashville, saying it was a positive experience and something he needed to do. One year earlier, he pleaded guilty to DUI charges.

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