Kate and Jon Gosselin’s son Collin released an emotional open letter to his seven siblings.

The “Jon & Kate Plus 8” alum, 21, took to TikTok Thursday to share a throwback photo with his siblings. “Born to be a team, us against the world…” he wrote atop the photo.

In the second photo, Collin wore sunglasses while driving a car. “Forced to do it alone, and wonder every day what our lives could’ve looked like,” he wrote atop the pic, which was accompanied by Adele’s song “Hometown Glory.”

“Forced apart, pitted against each other,” Collin captioned the post. “All the fame and money in the world, but what about kids being kids?”

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Collin Gosselin sent an emotional message to his siblings via TikTok.thecollingosselin/TikTok

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“Forced apart, pitted against each other,” he wrote in part on Thursday.thecollingosselin/TikTok
“I will always love them more than anything,” Collin wrote of twin sisters Madelyn and Cara, 24, and fellow sextuplets Alexis, Leah, Hannah, Aaden and Joel, 21.

“The tears I shed behind closed doors, thinking about the memories we could’ve shared. I love you guys,” Collin completed his heartbreaking post before adding a red heart emoji.

The reality star had no shortage of sympathy in the comments thread. “Praying they can break free and you can all be together again,” wrote a fan, while another remarked, “I’m genuinely so sorry.”

“You all are old enough now to work on rebuilding those relationships,” encouraged a third, while a fourth chimed in, “I pray you find healing.”

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“I love you guys,” Collin completed the message.kateplusmy8/Instagram

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Collin rose to fame with his parents and siblings on “Jon & Kate Plus 8.”Splash News
Hannah and Madelyn did not immediately return Page Six’s requests for comment, while Collin’s remaining siblings were unavailable for comment.

Their memorable, often chaotic reality show aired on TLC from 2007 to 2009. Following Jon and Kate’s contentious divorce in 2009 — after which Kate obtained custody of all their children — the show was rebranded as “Kate Plus 8,” and aired from 2015 to 2017.

Collin became estranged from much of his family after accusing Kate, 50, of treating him differently from the rest.

In 2016, at the age of 12, Collin was sent to Fairmount Behavioral Health Institute for unspecified behavioral issues. He reached out to his father after spending two years at the institution, and Jon was subsequently granted sole physical custody of him.

A family feud resulted, with Collin and Hannah living with their father and the other children seemingly siding with their mother.

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Kate obtained custody of all eight children following her 2009 divorce from Jon.AP

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After Collin was sent to a behavioral institution, Jon obtained sole custody of his son, and Hannah lived with them as well.jongosselin1/Instagram
Jon claimed Kate had “institutionalized [Collin] without a diagnosis and then created a diagnosis.”

“He did not need to be in an institution,” the reality star, 48, said during a 2019 appearance on “The Dr. Oz Show.”

“Just because he was a difficult child did not mean he needed to be sent away against my will, against my rights. I did not know where he went. It took me two and a half years to find him. It took me another year to get him out.”

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Collin has accused his mother of alleged abuse, and has been estranged from most of his family for years. Kate denied intentionally harming her son.Amy Sussman

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In 2024, Collin said he was discharged from the Marines over his prior time in the institution. He’s since launched a pressure washing company.jongosselin/Instagram