Crystal McCahill (born December 18, 1983 in River Forest, Illinois, U.S.) is an American model who was featured as Playboy Playmate of the Month for May 2009. Her mother Gale Olson, was Playmate of the Month for August 1968. Crystal is the second daughter to become a second-generation Playmate, 20 years after Simone Eden, Miss February 1989 was the first. Eden’s mother Carol Eden was a Playmate in December 1960. Wikipedia. CLICK HERE AND WATCH SEXY BABES!