Hugh Hefner, 84, Gets Engaged to Playboy Playmate Crystal Harris, 24 MTV

Playboy founder Hugh Hefner has confirmed that he and his girlfriend, Playmate Crystal Harris, have gotten engaged, MTV reports.

Hefner, 84, posted on his Twitter page on Dec. 24: "After the movie tonight, Crystal & I exchanged gifts. I gave Crystal a ring. A truly memorable Christmas Eve. ... When I gave Crystal the ring, she burst into tears. This is the happiest Christmas weekend in memory."

The following day, Christmas Day, Hefner added: "Yes, the ring I gave Crystal is an engagement ring. I didn't mean to make a mystery out of it. A very merry Christmas to all."

According to the MTV report: “Harris, 24, met Hefner in 2008 at the Playboy Mansion during one of the mag's famous Halloween bashes. The model/singer, who was Playboy's December 2009 Playmate and served as 2010's Miss January, also took to her Twitter to talk about their news. In response to well-wishes from the likes of former Playmate (and Hefner ex) Kendra Wilkinson, Harris noted, ‘Hef and I are Trending on @twitter:)’”

It will be the third marriage for Hefner, who was previously dating twins Karissa and Kristina Shannon while he was going out with Harris, the story notes.