Vanessa Trump, the wife of Donald Trump Jr, has filed for divorce after nearly 13 years of marriage.
Ms Trump filed docs in the Manhattan courts this week, and she's seeking an uncontested proceeding.
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The couple, who have five children together, were married in 2005 at Donald Trump's Mar-a-Lago estate in Palm Beach, Florida.
A source told PEOPLE prior to the filing the split was a long time coming.
"I heard for a while they have been living separate lives," they said.
"Even before all this Trump presidency stuff started they weren't good and their marriage was strained."
It's believed the couple has already organised their divorce details, including child custody and property.
"Don Jr has been busy traveling, which has contributed to their problems," a source told Page Six.
"Vanessa is a devoted mother, but she is increasingly lonely and alone in the house with the children."
In February, Ms Trump was sent to hospital after she was exposed to a mystery white powder delivered to the apartment she lives in with Donald Trump Jr.
That powder was declared non-toxic hours later, and is now believed to have been corn starch.