Kailyn Lowry is now single following her girlfriend's debut on "Teen Mom 2."

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The 26-year-old gave an update on her relationship status on Twitter after Dominique Potter appeared on Monday's episode of the MTV series.

"Update: I'm not dating anyone #teenmom2," Lowry told her 1.4 million followers.

"I've been single for months," she added.

Monday's episode followed Lowry and Potter as they drove to support Jo Rivera's family at a benefit. Lowry received a text asking if Potter was her girlfriend.

"I don't know how to answer that," Lowry told Potter. "How do I answer that?"

"Let me know how you do," Potter responded.

Lowry was linked to Potter in the fall. She confirmed she had a girlfriend during an episode of her Coffee & Convos podcast in November.

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"We were friends for a year and so it kind of just turned into [a romance]," the star said.

"So, it's not like she was trying to wine and dine me to ask me to be her girlfriend, you know what I mean? It more or less just happened."

Lowry is parent to three sons: 8-year-old Isaac with Rivera, 4-year-old Lincoln with Javi Marroquin and 9-month-old Lux with Chris Lopez.

She said on her podcast last week she's considering using a sperm bank for baby No. 4.