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Reese Witherspoon's 70-year-old father recently married his 60-year-old lady friend.

There's just one problem. He never got a divorce from his wife, Reese's mom.

Now Mary Witherspoon is suing her husband John Witherspoon and the woman he married, Tricianne Taylor, for bigamy.

In papers filed in Tennessee on Tuesday, Mary says that while she and her husband have not lived in the same house for over two decades -- she says his issues with alcohol and hoarding necessitated her move -- they never divorced, and she still loves him.

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She also states in the filing that her husband, who she fears has early onset dementia, doesn't even remember getting remarried.

“When I confronted my husband, he said he didn’t know who Tricianne Taylor was, and that he did not remember getting married,” she said in an affidavit, according to The Tennessean.

The Tennessee Office of Vital Records does not have a divorce on record, The Tennessean reports.

But The Tennesean has the April 22 wedding announcement all right, which states John and Tricianne Taylor were married on January 14.

“Cowboy boots and yellow roses accented the ambiance of the couple’s Texas heritage. The groom wore a white linen suit accented with a gold Parthenon tie, gift from the bride," it reads.

Mary Witherspoon also says in court documents that she confronted Taylor, but that she refused to speak to her or respond to a letter in which Mary informed her John was still married.

Mary Witherspoon also alleges Taylor is trying to borrow money as Ms. John Witherspoon, has gotten John to change his will, and is living in a condo owned by Reese, the report says.