What did Catelynn reveal?
On Teen Mom OG Season 8 Episode 13, Catelynn dropped a bombshell that changed everything we thought about her.
Meanwhile, Cheyenne discussed intimate details about her relationship with Zach.
Elsewhere, Amber and Gary's co-parenting relationship continued to implode after another big development threatened to derail the good.
Then there was Maci, who had some choice words for Jen.
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Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.