Teen Mom 3 star Mackenzie McKee might be gearing up for single motherhood.

The blonde beauty told Radar Online that she and her husband, Josh McKee, are currently living apart — and it has to do with cheating allegations against the new mother-of-three.

“When I came home [from giving birth to Broncs in August] I had postpartum depression. That pushed Josh away. There was no support. He hated who I became," she explained. “During that time he had left and that was when I was texting that guy.”

It turns out said "guy" was another married man, and his ex-wife found out and messaged Josh.

“I never wanted to be with that guy or talked about being with him. He’s in a serious relationship and that is not who I am,” she said, insisting there was "no flirting or affair.”

MORE: Check Out 'Teen Mom 2' Star Chelsea Houska's Baby Bump

At this point, the fate of their relationship remains unclear.

Josh seemingly blasted his estranged wife in a lengthy Facebook post last week, which first sparked rumors there is trouble in paradise.

View this post on Instagram

🙈🙈🙈

A post shared by mackenzie Mckee (@mackenziemckee) on

"Found out something very interesting yesterday. If you have a strong gut feeling that something is going on don't be blind. Well for me at least. And this post is not to get sympathy or any of that sh-t. But my so-called wife always feels like it's necessary to go on her social media and post s–t that makes her look like a goddamn princess and she has no faults and she wants everyone to see her pity excuse and soothe her with comfort," he wrote.

The couple wed in 2013 and have three children together — Gannon, 5, Jaxie, 2, and baby Broncs.

MORE: Enter Here for Your Chance to Win a $500 Amex Gift Card

Mackenzie also accused Josh of saying some hurtful things during her struggle with postpartum depression.

“He said, ‘I don’t love you, you’re crazy,’” she recalled. “I was suicidal. He said, ‘Go kill yourself, but don’t do it in front of me and the kids.’”

Scroll through the gallery to see more photos of her family.