Trace Adkins Trace Adkins

Rhonda Adkins, the wife of country singer Trace Adkins, has filed for divorce, Tennessee's WSMV  reports.

Photos: Shocking celebrity splits

Rhonda Adkins cited "irreconcilable differences" in paperwork filed Tuesday, and is asking for primary custody of the couple's three daughters, as well as for Trace Adkins to pay child support, alimony and her legal fees, according to WSMV.

Trace Adkins entered rehab for alcoholism in January after getting into a brawl with a Trace Adkins impersonator on a cruise ship. He left rehab in February.

The couple has been married for 16 years.