By Alexis Tereszcuk - Breaking Celebrity News Senior Reporter

Melissa Rivers had a nasty breakup with her boyfriend Jason Zimmerman last September, and in this exclusive sneak peek of her new reality show obtained by Breaking Celebrity News, he screams and swears at her in a vicious fight.

In the upcoming episode of Joan and Melissa: Joan Knows Best, Melissa and Jason begin an argument after he misses a family photo shoot scheduled by her mother Joan Rivers, and Melissa is furious.

“It was supposed to be a picture of a family,” she says to Jason who snaps back “s**t happens,” and that’s when she explodes.

“We’ve talked about family, we talked about trying to have a baby, we talk about all these things and the first opportunity you put work first!”

Watch the video on Breaking Celebrity News

Jason retaliates by asking for time away from the cameras and tries to defend himself.

“You know how much I care about this family,” he yells at Melissa. “The fact that I sit there and