Kimberley Conrad (born August 6, 1962) is an American model and actress. She was chosen as Playboy's Playmate of the Month in January, 1988 and became Playmate of the Year 1989. Conrad was born in Alabama and raised in Nevada and British Columbia. She is most known for marrying Playboy founder Hugh Hefner in 1989, an event which sparked worldwide media attention. The comic strip Doonesbury referred to the event as the belated end of the 1970s. The Hefners had two sons together: Marston Glenn Hefner (shares birthday with his father: April 9, 1990) and Cooper Bradford Hefner (September 4, 1991).