Back together? Kailyn Lowry is expecting again with ex Chris Lopez, Us Weekly confirms. Just days before she revealed she is pregnant with baby No. 4, she stood up for son Lux’s father on Twitter after a hater called him a “dead beat baby daddy.” On Sunday, February 2, she clapped back at the criticism, telling fans they don’t know what they’re talking about.

The drama started when Kail, 27, shared a clip of what appeared to be boxer Gervonta Davis getting physical with a woman. “People are really saying ‘What did she do to piss him off?’ Classic [f–king] response and why people don’t report domestic violence,” she wrote on the social media site. “But yet you keep going back to your [abusive] dead beat baby daddy,” a troll wrote back. “Sit down, hypocrite. 🙄”

The soon-to-be mom of four wasn’t having it. “[And] you can sit the f–k down [and] don’t speak on people you know nothing about,” she wrote back. Not to be deterred, the hater continued, “Clearly we know enough about your life considering it’s all over social media.” That’s when Kail shut the conversation down for good. “I don’t give one single f–k,” she snapped. “Don’t talk about my baby dad. You don’t know s–t.”

Kailyn Lowry Defends Chris Lopez Against Dead Beat Baby Daddy Claims
Courtesy of Kailyn Lowry/Twitter

Over the years, Kail and Chris, 30, have had a rocky relationship. Recently, they seemed to be on good terms. In October 2019, she called him the best coparent out of her three baby daddies. That same month, he admitted he messed up by not being there for the Teen Mom 2 star while she was pregnant with Lux. “I wouldn’t say regret, but I wish I was there more for his mother while she was pregnant with him,” he told fans on Instagram. “She really carried my son for nine months and I was f–kin’ up.”

In her book A Letter of Love, however, she alleged that her ex had been violent with her. “I’ve had my bedroom window broken while the baby was asleep with me in the room,” read excerpts obtained by Radar Online in September 2018. “My back door had been broken while all of my kids were at home. … I’ve had s–t about me told to my children. … I don’t care if the baby is 6 weeks old or 6 years old, a dad should not talk down about the mother of his child.”

Costar Briana DeJesus also alleged on Instagram that Chris “beats” Kail, a claim he denied on Twitter. “I NEVER beat my [baby mama],” he wrote on Twitter. “Let’s just keep my name out the Teen Mom drama, OK? OK.”

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