Hugh Hefner's 24-year-old fiancée Crystal Harris flashed the diamond-laden engagement ring she received when the 84-year-old Playboy founder proposed to her on Christmas Eve.

"For those of you who have been asking to see my ring here it is... My engagement ring from my love @hughhefner," she Tweeted, linking to a picture of the ring.

Harris, December 2009's Playboy Playmate, told News Of The World that between she's "not after Hef for his money" as she has her "own career going."