Ronnie Ortiz-Magro and Jen Harley Celebrate the 4th of July

Ronnie Ortiz-Magro and Jen Harley

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The on-again/off-again couple have reportedly broken up again following a blowout fight on New Year's Eve. According to multiple sources, the pair had a tumultuous end to 2018, calling it quits briefly before New Year's Eve, then getting back together only to end the year on Dec. 31 by getting into a screaming altercation that allegedly got physical, one source told E! News, leading to them calling things off once again. The news of their split -- the latest in a long series of break-ups and reconciliations -- comes after the Jersey Shore star scrubbed all traces of his girlfriend off of his Instagram and just a few weeks after Harley posted a super cute family photo for Christmas featuring the volatile pair, their 8-month-old daughter together, Ariana, and Harley's son, Mason, from a previous relationship, all rocking matching snowflake pajama sets.

Ronnie Ortiz-Magro/Instagram