Hugh Hefner has quietly added a new girlfriend to his posse. And she's a "good girl."
"I'm a good girl, for the most part," new Hef gal pal Crystal Harris writes on her MySpace page.
The 22-year-old lesser-known girlfriend has frequently been photographed by the 82-year-old Playboy founder's side, but never got a proper public introduction after former girlfriends Holly Madison, Bridget Marquardt and Kendra Wilkinson exited the Playboy Mansion.
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