Amber Portwood and Kristina Anderson appear to have a strained relationship.

How Do Amber Portwood's 'Teen Mom OG' Co-Stars Feel About Her Fiance?

Although the two women were thought to have ended their differences after filming the recently-aired season of Teen Mom OG, a new tweet from Portwood hints at otherwise.

'Teen Mom' Star Farrah Abraham Admits She & Amber Portwood Used To Fight, But Are Now Friends

During the Teen Mom OG: Unseen Moments episode, Anderson alleged she had treated Portwood's daughter, Leah, as if she were her own, while Portwood was incarcerated. When she heard Anderson's claim, Portwood was not happy.

“She is one of the fakest people I’ve ever f—ing seen in my life," Portwood explained, according to a Wetpaint Entertainment report on Tuesday. "That just pissed me off. The way that her and Gary met, she was married [and] cheating on her husband. They got divorced because of her and Gary! I’m happy she was in Leah’s life when I was gone, but don’t step on my f—ing toes.”

Although Portwood and Anderson weren't on good terms during filming, Portwood shared the following tweet with fans just after the last episode aired:

No word yet on whether or not Portwood and the cast of Teen Mom OG will film more seasons of the show.

Tags: Amber Portwood Kristina Anderson Gary Shirley teen mom MTV teen mom og Reality TV