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(CBSNews.com) - Joan Rivers isn't backing down from her latest controversial comments.

The 80-year-old comedienne says she will not apologize over an appearance on the "Today" show Tuesday in which she compared living arrangements with her daughter to the ordeal of three women held captive for a decade by Ariel Castro.

While promoting their WEtv reality series "Joan and Melissa: Joan Knows Best," the mother and daughter duo were asked what it was like living together. The elder Rivers has been residing at Melissa's home in Malibu, Calif., during the taping of the series.

"Those women in the basement in Cleveland had more space," Rivers said.

Following outrage on social media and calls from two of the victims' attorneys to apologize, Rivers remains defiant.

"I'm a comedienne," she told the Cleveland Plain Dealer. "I know what those girls went through. It was a little, stupid joke. There is nothing to apologize for. I made a joke. That's what I do. Calm down. Calm f------ down. I'm a comedienne. They're free, so let's move on."

Tell us: Do you think Joan went too far with the joke? Should she apologize?

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