Jersey Shore's Ronnie Ortiz-Magro and girlfriend Jen get in vicious social media fight

Ronnie and Jen in happier times. Photo / Instagram

Jersey Shore's Ronnie Magro and girlfriend Jen Harley welcomed their daughter Ariana Sky into the world on April 3.

But on Sunday the two new parents seemed to be on the brink of breakup.

Ronnie and Jen took to Instagram to exchange a series of hateful messages on Instagram.

Ronnie and Jen took to Instagram to exchange a series of hateful messages. Photo / Instagram

'Note to self, can't turn a natural born HOE, into a HOUSEWIFE. If you find them in the gutter then leave them in the gutter,' Magro said to kickoff the social media rampage.

'Not all people can be saved when they are so far gone. All you can say you did ur best and keep it moving.'

Jen Harley responded: 'Can't turn a coke head into a father! Yeahhh buddy.'

Ronnie and Jen took to Instagram to exchange a series of hateful messages. Photo / Instagram

She briefly made her Instagram private after the spat, but her account is now public once more.

Ron continued the public humiliation by polling his audience.

'If your significant other keeps sex videos of their ex, shouldn't they show enough respect to delete them, esp after being in a new relationship for over a year?'

Ronnie and Jen took to Instagram to exchange a series of hateful messages. Photo / Instagram

Friend and reality co-star Deena Cortese seemed shocked in their private text conversation.

'Wow that's insane,' she said. 'What girl even keeps that lol.'

Friend and reality co-star Deena Cortese seemed shocked in their private text conversation. 'Wow that's insane,' she said. 'What girl even keeps that lol' Photo / Instagram

Magro and Harley got together soon after Ron's relationship with Famously Single's Malika Haqq fizzled out around February 2017.

Jen became pregnant three months into their relationship.

And it became clear, on a recent episode of Jersey Shore Family Vacation, that Ronnie doesn't think she's 'the one.'

'If Jen was not pregnant, I don't know if I'd be with her,' he said. 'I don't know what the f*** I'm going to do.'

Ron has since deleted all of the posts from his Instagram story.