Jon and Kate Gosselin are still on rocky terms when it comes to their custody agreement over their 8 kids.
The kids enjoyed a camping-themed b-day party, but their brother's absence weighed heavily on Kate's mind.
TLC will air three new episodes of the canceled series, giving fans an update on the Gosselin clan -- starting Monday.
One person was noticeably missing from the birthday festivities.
It's been 11 years since we first met the Gosselin sextuplets, and now, they're celebrating becoming teens.
The divorced couple gushed over their kids in separate Instagram posts.
Sorry, ladies -- the 40-year-old actually did not take his clothes off.
The former reality star confirmed the news to ET.
Gosselin is getting ready for his big night.
Kate Gosselin recently revealed Collin was away seeking special education for social challenges.
The 12-year-old made a surprise appearance on Tuesday's episode.
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Here are the stories that had us shook in 2016.
Kate Gosselin opens up about her life in the tabloids with Dr. Oz, airing Dec. 15.