Hugh Hefner's wedding pre-nup shock

- 84-year-old to tie the knot in June
- No pre-nup for fiance Crystal Harris
- Mogul's exes not invited to wedding
 
He's worth $43 million yet Hugh Hefner is not putting a a pre-nuptial agreement in place with wife-to-be and former Playboy Playmate of the month, Crystal Harris.

The 84-year-old mogul is apparently unconcerned by any suggestion that Harris, 24, may be interested in his personal fortune.

According to sources in the US, the Playboy mogul insists that he hasn't brought up legal papers because he "actually cares" about the blonde.

The pair will marry on June 18.

It's third time lucky for Hefner, who proposed to Harris at Christmas.

"When I gave Crystal the ring, she burst into tears, this is the happiest Christmas weekend in memory," he Tweeted.

While the pre-nuptial is null and void, the couple's wedding list is causing some controversy.

Former Playmate Kendra Wilkinson told E!: "I haven't gotten my save the date yet, I'm not joking, I'm really pissed off about it."

But she had the good grace to wish Hefner - who allowed her to use the Playboy mansion to marry NFL player Hank Baskett - well.

His former girlfriend, Holly Madison, was more upset, and directed her wrath at Harris.

"She's a mysterious character, I've seen a lot of girls try to date Hef, and some have ulterior motives," she said.

"People congratulated him on Twitter but I wanted to be there."

Harris' friend told web site PopEater: "This is Crystal's special day, and she doesn't want all of Hef's exes there," she said. "What woman would?"

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