Jessica Simpson's Mom Files for Divorce

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It's official -- Jessica Simpson's mother Tina has filed for divorce from her husband Joe. 
The divorce filing -- dated September 24 in McLennan County, Texas -- was confirmed in court papers obtained Wednesday by ET. 
The parents of the singer-actress have been married for 34 years.
"It is an amicable split and there is no third party involved," a rep for the family tells ETonline. "Any other related allegations are completely false. The family appreciates your respect for their privacy at this time."
Last month, Joe Simpson pleaded not guilty to DUI charges after being arrested in Los Angeles on August 4 on suspicion of driving under the influence.