Troy Aikman's Ex-Wife -- Arrested in Texas

Troy Aikman's ex-wife was arrested in Collin County, Texas for being drunk in public earlier today ... TMZ has learned.

According to the Murphy Police Department, 43-year-old Rhonda Aikman was arrested on August 27 for public intoxication ... a low level misdemeanor.

Rhonda was hauled to a nearby jail, where bond was set at $269.00. She has since been released.

Aikman's car was towed from the scene of the arrest to a nearby impound lot.

TMZ broke the story ... Rhonda and Troy divorced in April 2011 after 10 years of marriage. Rhonda was working in publicity for the Dallas Cowboys when she met Troy, who was the starting QB at the time.