Some people never really get over hating their ex’s new girlfriends.

Even when that girlfriend becomes a fiance… and a baby mama.

Sometimes it seems like what went down between Kailyn Lowry and Javi Marroquin‘s fiancee Lauren Comeau is ancient history, but Kail is a pro when it comes to holding a grudge. Now, she’s clapping back at Lauren’s last revealing post.

Credit: MTV

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