Comedian Joan Rivers and daughter Melissa stopped by Universal Studios Hollywood to chat with "Extra's" Mario Lopez about the upcoming seasons of their shows "Joan and Melissa: Joan Knows Best?" and "Fashion Police," as well as recent hot topics in the news. Joan, not holding anything back, slammed Gwyneth Paltrow as being "so pretentious" for calling her separation from husband Chris Martin "conscious uncoupling." Joan and Melissa also offered their thoughts on who should replace David Letterman.

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