Denise Richards at the pool in San Diego

The "Wild Things" actress looked stunning in a sexy blue bikini as she cooled off in the water while posing for some pictures.Making most of the Columbus Day weekend, Denise Richards was spotted sunbathing by the pool in San Diego yesterday (October 10) . Richards explained, "I wanted to write a heartfelt, honest book that would be a source of hope to others going through difficult times.