Keith Urban checks into rehab

Keith Urban has checked himself into a rehabilitation treatment center for alcohol abuse, less than four months after his marriage to actress Nicole Kidman.

The Grammy-winning country singer released a statement Friday that said he entered rehab Thursday night with his wife by his side. His publicist would not give the location of the rehab center.

"I deeply regret the hurt this has caused Nicole and the ones that love and support me," Urban said in the statement.

Urban, who turns 39 on Oct. 26, has publicly acknowledged a former addiction to cocaine.

"One can never let one's guard down on recovery, and I'm afraid that I have," the statement read.

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