Richard Kay is a notable figure in the realm of documentary filmmaking, particularly recognized for his compelling portrayal of royal life. His 2016 release, *Princess Diana: Behind Closed Doors*, stands out as a significant addition to any collector's library. This documentary offers an intimate look at the late princess's life, drawing on Kay's extensive experience as a royal writer for *The Daily Mail*. The film's unique insights and rare footage make it a prized item for enthusiasts of royal history and documentary filmmaking. Collectors often seek out Kay's work for its rich narrative and authenticity, capturing the essence of one of the most iconic figures of the 20th century. His ability to weave personal stories with historical context adds depth to the viewing experience, making his films not just watchable, but essential for anyone passionate about the intersection of media and monarchy. As a result, Kay's titles have become sought-after treasures for those who appreciate the nuances of physical media and the stories they tell.