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The cast of MTV's Jersey Shore may seem oblivious to the outside world as they party, pump their fists, and work out, but viewers are taking note of them: The show's second week ratings were up 50 percent in its second week, according to The Hollywood Reporter.

Jersey Shore nabbed 2.1 million viewers, a big boost from the 1.3 million viewers that tuned in for the show's debut. The series follows eight twenty-somethings living together in a rented beach house in Seaside Heights, N.J. It has gotten widespread attention in part because of objections from Italian-Americans who say it portrays their culture in a negative light.

MTV Exec: It bums me out people are offended by Jersey Shore

Among the critics: Italian-American actress Alyssa Milano.

"My husband actually showed me the trailer on YouTube last night, and I got upset," Milano, 36, told Us. "It upset me. I was like, 'Turn that off!' So no, I don't think I'll be watching that!'"

Do you think Jersey Shore is entertaining or offensive?