OK! EXCLUSIVE: Sammi Sweetheart Quits 'Jersey Shore'

Sammi 'Sweetheart' Giancola can't handle the heat at the Jersey Shore any longer. The guidette from Hazlet, N.J., packed her bags Friday night, her pal tells OK! exclusively, after a blowout fight with boyfriend and castmate Ronnie Magro over his infidelity.

"She ripped off the mic pack at the house after a monster fight with Ronnie and quit," Sammi's friend tells OK!.

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Sammi learned of Ronnie's cheating ways in last week's episode of the hit MTV reality show — currently airing on the network — and has had enough.

"She feels stupid for believing him and he made a fool of her," the insider says.

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Sammi left Ronnie and the rest of her castmates Friday night, emptying her belongings from the Jersey Shore house in Seaside Heights, N.J. The gang is currently filming Season 3, and the blowout was captured on tape.

"The door was left open for Sammi to return whenever she wanted, but she said 'No way, not happening' and is home," our source added.

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MTV has no comment while cast is in production.

However, as fans of the show have learned, anything can happen on Jersey Shore and Sammi's dramatic exit (and return) would make for great TV!

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