Even when she was being shot from the waist up, Kim Cattrall insisted on wearing heels. She said it made her feel more like Samantha.
Kim Cattrall turned down the role of Samantha Jones twice before being convinced by Darren Star's boyfriend to give it a try and shoot the pilot Sex and the City (1998).
Sarah Jessica Parker had a clause in her contract stipulating that she will not do any full nudity. This is why the audience never sees Carrie in anything less than underwear, whereas all the other main female characters have been filmed in much less.