Crystal Harris Will Keep $90,000 Ring, Bentley from Hugh Hefner

Crystal Harris Will Keep $90,000 Ring, Bentley from 

Hugh Hefner

On the day he was supposed to get married for the third time, Playboy founder Hugh Hefner said he was probably better off staying single.

Hefner, 85, was dumped by 25-year-old fiancee Crystal Harris last weekend after she got jitters about living a tightly regimented life among dozens of attractive young women at the Playboy mansion in Los Angeles.

They were due to tie the knot on the grounds of the Gothic Tudor-style residence on Saturday afternoon, and to spend their honeymoon there.

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"This was going to be my wedding day, but life is full of surprises. After all is said & done, staying single is probably for the best," Hefner said on Twitter on Saturday.

After Harris left Hefner, taking his beloved cocker spaniel Charlie with her, old friends and lovers descended upon the mansion to offer condolences. They included his second wife, Kimberley Conrad, and her mother; and former girlfriends Holly Madison and Bridget Marquardt.

A heartbroken Hefner immersed himself in romantic comedies, hosting screenings of films such as Sleepless in Seattle and 50 First Dates for his coterie of Playmates.

He also rushed out Runaway Bride stickers to be affixed to the new issue of Playboy, which features Harris - a.k.a. "Mrs. Crystal Hefner" - on the cover.

Hefner said he was blind-sided by the split, and denied a tabloid report that there had been a nasty argument.

Harris told Entertainment Tonight that Hefner's mandatory agenda of activities, strict 9pm curfews and his refusal to allow her to leave town to visit friends and family led to her decision to break up with him.

She was also stressed out by meetings with attorneys about the prenuptial contract and other issues, and by the realisation that she would have to compete for Hefner's affections.

"I can honestly say I was not the only woman in Hef's life. And I didn't feel comfortable in my heart knowing that, and being able to get married to him," she said.

Hefner, known around the world by his nickname, Hef, has championed sexual freedom and civil rights, published stories challenging McCarthyism and the Vietnam War, and backed gay causes and the legalisation of marijuana.

Raised in San Diego by British parents, Harris met Hefner at his annual Halloween party in 2008. She moved in to the mansion after a few weeks and became Playboy's Playmate of the Month in December 2009.