Glamour photography or startled by the viewer. The subject would usually have an expression of delight which seemed to invite the viewer to come and play. During World War II pin-up pictures of scantily clad movie stars were extremely popular among American servicemen. Betty Grable was one of the most famous pin-up models of all time; her pinup in a bathing suit was extremely popular with World War II soldiers. In December 1953, Marilyn Monroe was featured in the first issue of "Playboy" magazine. Bettie Page was the Playboy Playmate of the Month in January 1955. "Playboy" was the first magazine featuring
The Playboy Club during a time period that was still repressive of that culture. "The Playboy Club" also touched upon changing thoughts with regard to racial diversity during the 1960s. One of the supporting characters, Brenda, seeks to become the first African American Playboy Bunny. Her role in the series illustrates Hugh Hefner's decision to integrate his clubs, both by hiring black women and allowing black key-holders and performers, which was considered unusual at the time. Brenda was loosely based on the model Jennifer Jackson, the actual first Black Playmate of the Month, although neither Naughton nor the "Playboy Club" producers contacted Jackson