Ronnie Ortiz-Magro Ronnie Ortiz-Magro

Ronnie Ortiz-Magro has been hospitalized for kidney stones, People reports.

The 27-year-old Jersey Shore star was taken to a hospital in the Orlando, Fla., area Saturday night after he began feeling uncomfortable during an appearance at the Wine and Spirits Wholesalers of America Convention to promote his new cocktail line, Smush Cocktails.

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"He's in a lot of pain and is expected to remain there for several days," his rep tells People.

Ortiz-Magro's girlfriend and Jersey Shore co-star Sammi Giancola is reportedly at his bedside.