Amber Portwood claims Gary Shirley outed her fiance in an effort to embarrass her on national television.

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After the airing of Monday's Teen Mom OG, in which Shirley claimed Portwood's fiance, Matthew Baier, had fathered seven children, Portwood spoke out, slamming him for his vengeful behavior.

“Gary had told me a couple weeks after that he actually had known for a while, which just tells me that he just literally waited for the cameras to be there,” Portwood told MTV of her former fiance, via Us Weekly. “I think what his main goal was, was to humiliate us and to try to make our family look like it’s not stable because this was when we were in the big custody battle with Leah.”

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“Gary’s not a part of our family. We don’t open up and tell him everything that’s going on in our lives because, frankly, it’s none of his business,” Baier added.

On Twitter during Monday's show, Portwood appeared to hint at possible drama to come, when she seemingly threatened to reveal new information about Shriley and his girlfriend, Kristina Anderson.

"Honestly I never try to stoop this low because I like to stay positive however I'm done with Kristina and Gary bashing me," Portwood wrote, according to a report by Real Mr. Housewife on Tuesday. "I've grown too much to still be dealing with this negativity. Every time they say something negative they better be prepared for what I will reveal. I'm done being the bigger person... I'm done."