'Jersey Shore's'Ronnie and Sammi reunite in Italy: Exes caught kissing and holding hands

That's amore -- again.

"Jersey Shores"'s on-off-on-off coupleRonnie Ortiz-MagroandSammi"Sweetheart"Giancolaare back together for what seems like the billionth time.

The two were caught kissing, hugging and holding hands while inFlorence,Italy, where they're filming the next season of theMTVshow, reportsRadar.

When"Jersey Shore"ended its third season in March, Ortiz-Magro and Giancola were split, seemingly once and for all, after he caught her in a lie about hooking up with a guy named Arvin. Although Giancola denied any hanky-panky, Ortiz-Magro got Arvin on the phone, who revealed the truth:"Sam, we've made out before."

The couple's countless fights -- which, at times, turned physical -- served as the plot line for many episodes last season. In one, Giancola, 24, punched Ortiz-Magro, 23, in the face after he made amends with her then-nemesisJenni"JWoww"Farley.

Later, he trashed their shared bedroom and even threw her bed onto the adjoining outdoor deck. After that, Giancola moved out of theirSeaside Heightsshore house -- only to be wooed back when he sent her flowers.

Ironically, Ortiz-Magro, along with Farley, is currently writing a book called"Never Fall in Love at the Jersey Shore."

For the fourth season of"Jersey Shore,"the cast will reportedly be working in a local pizzeria in Florence.

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