Regardless of how nasty their divorce got, Denise Richards insists that she and ex-husband Charlie Sheen had a beautiful love story. The actress is opening up about the more positive aspects of their time together in her new memoir. Richards said the book focuses on the good stuff about her marriage and co-parenting as opposed to all the rotten stuff people got about her relationship with Sheen. The couple who have two daughters together divorced in 2006.