Kathryn Dennis and Thomas Ravenel's custody battle has taken a turn for the worst, RadarOnline.com can reveal.
Ravenel, 54, blasted his 24-year-old baby mama in the explosive Southern Charm trailer for refusing to comply with a drug test — and told her friends about it at a party.
"Why won't she go take a drug test?" he questioned. "She won't go 'cause she knows she'll fail."
The ex-flames are fighting over their 2-year-old daughter, Kensie, and their 1-year-old son, St. Julien.
Dennis is even seen crying over being separated from her daughter in the trailer, as Ravenel romances their co-star Landon Clements instead of working on their parenting.
They have still not made up, and got into a heated battle on Twitter earlier this week. Dennis last posted a photo of her daughter on social media over a week ago, while Ravenel posted a photo just days ago.
Southern Charm returns on April 3.
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