Teen Mom Week in Review: Kailyn Posts a Pic of Her Breastfeeding, Maci Reveals Her Mystery Illness and More

So you already know that Jenelle Evans got arrested this weekend, but we promise there's plenty of Teen Mom news unrelated to Jenelle that happened this week. From Kailyn Lowry's breastfeeding pic to Leah Messer quitting smoking, here's what went down:

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Well, first and foremost, we've already reported on Jenelle Evans' getting arrested for the tenth time in two years. She got locked up this time because of a fight she had with her boyfriend slash soon-to-be-baby daddy, Nathan Griffith. Get all the details (plus find out why she's threatening to make her Instagram private) right HERE.

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But in happier Teen Mom 2 news, Leah Messer had a big week—she celebrated her twins' fourth birthday and also has quit smoking! Leah had this to say about her big decision: