Actress Denise Richards filed for divorce last Wednesday, from her husband Charlie Sheen, claiming irreconcilable differences. Richards, 34, is 6 months pregnant with their second child, the couple also have a daughter, Sam, who will turn one next week. Richards and Sheen, 39, met while making the film Good Advice in 2000. They were married in June, 2002, and co-starred in Scary Movie 3. . Sheen, who is now starring in the CBS television series Two and a Half Men, is also known for his roles in Platoon and Hot Shots. | 
