No one cared about the Playboy playmate Crystal Harris until Hugh Hefner decided to marry her. He proposed to her on the Christmas Eve and told the world about it through Twitter. Well, what do we know about Crystal Harris? She is 24, so it makes her 60 years younger than Hugh Hefner. She was born in Arizona, her parents are from England and she has 34D boobs. Crystal Harris started dating Hugh Hefner in January 2009. Here are a lot of Twitter photos of Crystal Harris. Enjoy.