Corey Simms' dad, Jeff, shared two new photos of his twins on Instagram on Tuesday.

As Simms' drama with Messer reaches new heights on Teen Mom 2, Jeff posted the photos to fans.

"Aliannah Hope looking all sweet and pretty! #aligrace," Jeff wrote with a photo of Alli.

A photo posted by Jeff Joetta Simms (@poppawjeff) on May 10, 2016 at 6:42pm PDT

Next, with a photo of Aleeah, Jeff wrote, "Aleeah Grace trying to appear menacing! #aligrace."

Meanwhile on Teen Mom 2, Simms has just filed new papers to become the twins' primary custodian, despite having come to an agreement with Messer for joint custody during the last episode of the show.

“Corey filed these papers. He turned around and filed an injunction to be the primary custodian. I spoke to him after the hearing, and everything went great!” Messer told her sister, Victoria in a sneak peek of next week's Teen Mom 2, via Starcasm. “You know, we were actually kind of communicating, and thought that we were going to be able to co-parent the way we used to.”

“I know plenty of parents that’s done joint custodian… I mean, if you’re both good parents, then there should be nothing wrong," Messer continued. "And then he says that he should be the primary custodian because they live — or, they go to school in his district and whatever else. No! OK, I do everything, so maybe I should be the primary custodian.”

Messer then accused her ex-husband of hurting their twins by continuing with their custody dispute.

“To do what he’s done to my kids, I — I — I don’t — I don’t care if he takes another breath! And I don’t know what else to do. All I can do is fight against it. That’s all I can do,” she said.

For more of Corey Simms and his family, tune into Teen Mom 2 season seven on Monday nights at 10 p.m. on MTV and check out a sneak peek at next week's new episode below.

Tags: Corey Simms Teen Mom 2 MTV Reality TV