Denise Richards

TMZ has learned that Denise Richards' lawyer went to court Friday, alleging that her estranged husband Charlie Sheen has threatened herand that his alleged pornography and prostitution habits have put their children at risk. Sheen has specifically denied most of Richards' allegations. In the…

TMZ has been following five intriguing Hollywood divorces. One day an estranged celebrity couple is getting along; the next day it's an all-out war over custody, property or saving face. We have the inside track on the divorces that are making news -- Simpson vs. Lachey, Locklear vs. Sambora,…