We know all about the Sex and the City cast beefs... Or so we thought! It turns out there was one we never knew about - and surprisingly it involves the ever-sunny Charlotte York, aka Kristin Davis! And it was her fault! She was being a mean girl! Wha??? Yes, on her Are You A Charlotte? podcast this week, Kristin invited on one of the show's most beloved - and be-hated - guest stars: Bridget Moynahan, who played Big's other love interest, Natasha.