Catelynn Lowell Accuses Amber Portwood’s Ex-Fiancé Of Being ‘So High’ While Filming

Amber Portwood called off her engagement to Matt Baier when he gave co-star Catelynn Lowell a hit of Xanax on a recent episode of Teen Mom OG. But according to Lowell, Baier was high on the episode!

In a sneak peek of tonight’s TMOG reunion special, Lowell explained that Baier, who is a recovering drug addict, had Xanax on him during a press trip.

“I was mentioning I’m having a panic attack and all of a sudden Matt is like, 'let’s keep this between me and you' and he hands me this bar,” she said. “And I stuck it in my hoodie pocket. I didn’t take it. I know his past and Amber’s past so I was like why the f**k does he have it?”

Lowell then explained how Portwood noticed Baier seemed high during the trip.

“Amber started asking questions like, ‘Why do you look so high? Why are you wobbling around in front of me?” she said.

When Baier convinced Portwood he was just tired, Lowell told her the truth.

On the episode, Baier explained to Portwood that a friend gave him the pill just in case Portwood needed it for the plane.

As RadarOnline.com readers know, Portwood and Baier officially split after a stint on Marriage Bootcamp: Reality Stars.

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When he tweeted, “Here’s to a long weekend! What are everyone’s plans for #FourthOfJuly weekend?” she fired, “Long weekend of getting dumped!”

She then told him to “lawyer up,” since he owes her “a little bit of change.”

She ended the rampage with, “Been two days at @MattEPT is already posting videos on Instagram of him at someone’s house with 50 bottles of liquor everywhere… it’s on.”

A source exclusively told RadarOnline.com that they “went their separate ways” and are “definitely broken up.”