TEEN Mom's Catelynn Lowell has responded to her younger brother's unsubstantiated claims that her husband has a secret boyfriend in Arizona.
Catelynn, 31, slammed her brother Nick Lowell for his "insane and sad" allegations against hubby Tyler Baltierra, 31.
In the Instagram Story, the Teen Mom OG star ranted: "If you believe anything my 'brother' said on his Live, then you are just as crazy as him."
She continued: "This poor kid is so brainwashed. It's insane and sad.
"Hopefully, one day, when he's older, he will realize. And how he pretends he's so nice to me, he's not!"
In the next Story, the MTV star claimed Nick "steals from me, then treats me like s**t after me paying for a lie detector test."
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She went on: "Like I'm so over it all, but again I'm the toxic one? Wanna talk about receipts?! I've got more!"
Catelynn concluded: "All he had is some made-up s**t in his head."
'A TRUE STORY'
According to The Ashley's Reality Roundup, during a recent Instagram Live session, Nick alleged: "[Tyler]’s got a boyfriend."
He claimed: “This is a true story, too. I love John to death, but you know it’s bad when Tyler goes to Arizona a lot.
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"And Catelynn was worried about him going to Arizona. So she had to buy a trip to go there to make sure Tyler wouldn’t cheat on her with Sik World [rapper Jacob Lee White]. Just sayin’!”
'YOU'RE TOXIC'
Nick previously slammed his older sister and her family visit with daughter Carly, 14.
The commotion started when Catelynn claimed she saw her mother, April Brockmiller, 50, drinking beer amid the reunion.
After speaking up "about my boundaries," the MTV mom did not want to be around her, especially "when she is drinking."
In the leaked text exchanges, Nick wrote: "You do know that we called Mom to make sure we wouldn't interrupt your time right?" along with a laughing emoji.
He added: "We called Mom to make sure that we wouldn't see y'all."
Nick ended the conversation with: "You're toxic. Lots of laughs. You bring the toxicity."
REUNITED
Tyler and Catelynn placed their firstborn daughter for adoption when they were in high school and shared their story on 16 & Pregnant.
The pair shares three other kids: Novalee, seven; Vaeda, three; and their youngest daughter, Rya, two.
On June 25, Catelynn posted an Instagram photo of her daughter Carly during their family reunion.
In the wholesome snapshot, the couple walked side-by-side through a grassy field with their backs to the camera.
Carly carried her youngest sibling, Rya, in her arms.
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She was also holding hands with her sister, Nova.
In a heartwarming video, Carly walked along while holding hands with Novalee and Vaeda on either side.
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