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Kate Gosselin's Response to Collin's Lie Detector Challenge Raises Eyebrows

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Kate Gosselin won’t be taking her estranged son Collin up on his request to do a lie detector test.

The 51-year-old responded to TikTok comments on Monday about the public plea her child made to the US Sun in 2025, one year before announcing his bombshell memoir.

“If you are 100% certain that the accusations against you are lies, my suggestion would be to take him to court and sue him for defamation!” one social media user advised Gosselin.

Kate Gosselin clapped back at her son Collin’s wish for her to take a lie detector test via TikTok on Monday. kategosselin/Tiktok

Collin Gosselin smiling, holding a dish that is steaming, in a kitchen or restaurant setting.

The reality star’s followers advised her to “sue [her son] for defamation.” Instagram/@collingosselin1

She replied, “I can’t bc I’m a public figure. Rules are different unfortunately. Or I def would!”

The reality star doubled down in another comment, writing, “Malice is one of the hardest things to prove. I tried :(. The rules are different for ppl in the public eye.

“I consulted a high power LA attorney (you’ve definitely heard of him) years ago when other ppl were putting crazy stuff out there and that’s what he said,” Gosselin continued. “The courts don’t honor it if you’re in the public eye :(”

A social media conversation where a user suggests suing for defamation, and Kate Gosselin replies that as a public figure, the rules are different.

Gosselin replied that she “def would” if she could. kategosselin/Tiktok

Kate Gosselin with blonde hair pulled back, wearing a white shirt and sitting in a blue chair, speaking to the side with an open mouth.

“The rules are different for ppl in the public eye,” she wrote Monday. kategosselin/Tiktok

When another fan asked whether she’d take the test, the “Jon & Kate Plus 8” alum quipped, “Ha!”

Gosselin’s back-and-forth with her followers, notably, took place in the comments section of a video documenting her rescue dog journey.

The “Kate Plus Date” alum did not mention Collin in the upload.

The 22-year-old announced last week that his tell-all, “In the Shadow of Eight: Surviving the Reality of My Childhood,” will come out in October.

Collin Gosselin holding a small white puppy.

As for Collin’s 2025 request she take a lie detector test, Gosselin replied, “Ha!” Instagram/ Collin Gosselin

Cover art for Collin Gosselin's memoir, "In the Shadow of Eight," featuring a woman and children.

Her headline-making comments come on the heels of Collin announcing his October memoir. collin gosselin/ instagram

“Writing this book forced me to revisit some of the hardest moments of my life, but it also gave me something I’ve been searching for for a long time: my voice,” he wrote at the time. “This isn’t the story people think they know. It’s the story I’ve lived.”

Collin went on to make a savage dig at Kate by calling his dad Jon Gosselin’s ex Colleen Conrad his “real mom.”

Additionally, he shared The Post’s Instagram upload about the bombshell book via Stories, highlighting a comment that “what’s done in darkness will always come to light.”

Collin has been vocal in recent years about allegedly being abused by his mother, with his past quotes resurfacing in the wake of the memoir announcement.

Kate Gosselin and her six children posing with a small alligator.

“This isn’t the story people think they know. It’s the story I’ve lived,” Collin, who starred on “Jon & Kate Plus 8” with his siblings, captioned the recent reveal. ©TLC/Courtesy Everett Collection

Kate Gosselin at the TLC 'Kate Plus Date' TV Show Panel.

The 22-year-old has repeatedly accused his mother (pictured above in February 2019) of alleged abuse in the past. Penske Media via Getty Images

In the October 2025 US Sun interview, Collin brought up lie detector tests as he alleged Kate zip-tied his wrists and ankles together while keeping him locked in the basement.

“I would like to invite my mom to do a lie detector test,” he said. “That would be one of the questions, mom, if you’re listening to this. We would ask about the zip ties.”

Collin has lived with dad Jon Gosselin since 2018 and, besides sister Hannah, is estranged from their other sextuplet siblings — Aaden, Joel, Alexis and Leah — as well as 25-year-old twin sisters Madelyn and Cara.

If you or someone you care about is affected by any of the issues raised in this story, call SAMHSA’s National Helpline at 1-800-662-HELP (4357).