Hugh Hefner twice-married founder of Playboy, is set to take the plunge again.
Eighty four year old Hefner, announced Saturday on Twitter that he and his girlfriend Crystal Harris, 24, Miss December 2009 had become engaged on Friday.
Said Hef "When I gave Crystal the ring, she burst into tears. This is the happiest Christmas weekend in memory".
Hefner, whose Playboy magazine was founded in 1953, divorced from his second wife, Kimberley Conrad, earlier this year. His first marriage to Mildred Williams ended in divorce in 1959.
Hefner has championed sexual freedom and civil rights, published stories challenging McCarthyism and the Vietnam War, and backed gay causes and the legalization of marijuana.
With a cover featuring a calendar photo of Marilyn Monroe, Hefner put the first issue together on the kitchen table in his apartment. It hit the stands in December 1953 and sold 51,000 copies, enough to finance a second issue which went on to form a multimillion dollar empire.
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