What would Charlotte say?

TMZ.com is reporting that 20 sexually explicit photos allegedly of Sex and the City star Kristin Davis are making the rounds. The shots are from a sex tape she made with an ex five years ago, the site says.

But her rep tells Usmagazine.com: “This is not a photo of Kristin Davis. There is no sex tape.”

Davis can be seen next â€" with her clothes on â€" in the upcoming Sex and the City movie, out ...