Hugh Hefner & Crystal Harris's Wedding Is Called Off 
 
 They rang in the holidays with news of their engagement , but there will be no wedding bells after all for Hugh Hefner and Crystal Harris.The playmate, 25, called off the nuptials on Tuesday, just days before they were to tie the knot Saturday at the Playboy Mansion."The wedding is off," Hefner Tweeted . "Crystal has had a change of heart.""After much deep reflection and thought I have decided to end my engagement with Hef," Harris wrote on her website. "I have the utmost respect for Hef and wish him the best going forward. I hope the media will give each of us the privacy we deserve during this time."More than 300 people had been invited – via Papeterie custom-made invitations – to their big day , which called for a pink Romona Keveza gown and Torrance Bakery strawberry cake.This would have been the third marriage for Hefner, 85, who filed for divorce in 2009 from his second wife, former playmate Kimberly Conrad. He was previously married to Mildred Williams, whom he divorced in 1959."I heard the sad news today this morning," Harris's manager Michael Blakey tells PEOPLE. "The split was a mutual decision and the two remain good friends."The wedding cancellation was first reported by TMZ 

 Wedding's Off for Hugh Hefner: 'Crystal Has Had a Change of Heart' 
 
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 The third time was anything but a charm for Hugh Hefner, whose wedding to Crystal Harris has been called off. "The wedding is off," Hefner 
 
 
 
 Multiple sources told the site that Harris moved her things out of the mansion and that the wedding, set for Saturday June 18, was canceled. It would have been Hefner's third marriage. The third time was anything but a charm for Hugh Hefner, whose wedding to Crystal Harris has been called off. "The wedding is off," Hefner glumly told his Twitter followers Tuesday. "Crystal has had a change of heart." According to TMZ , the 25-year-old model left the Playboy Mansion over the weekend after having a fight with the publishing mogul, 60 years her senior.Multiple sources told the site that Harris moved her things out of the mansion and that the wedding, set for Saturday June 18, was canceled. It would have been Hefner's third marriage. 
 
 Harris, who earlier in the day promoted a comedic video that revolves around her relationship, released a statement on her website to explain her decision."After much deep reflection and thought I have decided to end my engagement with Hef," she wrote. "I have the utmost respect for Hef and wish him the best going forward. I hope the media will give each of us the privacy we deserve during this time."Hefner didn't hint at any domestic disruptions on Saturday when he tweeted to a fan in England the details of the wedding. "The wedding is next Saturday (June 18)," he wrote. "And airs on Lifetime on July 13." He was also a major presence at the Playboy Jazz Festival, where he was spotted on Saturday with Harris on the festival grounds.Harris has not been silent on Twitter either, but has focused her words on promoting a new single, 'Club Queen.' On Monday -- that's after she left him, according to TMZ -- Hefner helped his fiancee promote her music career with another tweet to his 638,000 followers.Hefner, 85, and Harris, 25, began dating in January 2009 and became engaged around Christmas. The blond bombshell was slated to wear a pink wedding gown when she walked down the aisle in the backyard of the Playboy Mansion and, according to the couple, the nuptials were to be a colorful affair not unlike a "garden party." About 300 people were invited.One of Hefner's former girlfriends, Holly Madison, expressed concern early on in the engagement that the couple was moving too fast and that Harris could potentially hurt her ex-beau."I think it's possible Crystal could break Hef's heart," Madison said. "They could end up divorcing, and she could take half his money."Hef was previously married to Mildred Williams and Kimberly Conrad.Harris lampooned the 60-year age gap with Hefner in a Funny or Die video released just today. In it, she promotes the 'The Playboy App' for smartphones that will make you "knowledgeable about things older people are interested in, which is helpful when you're dating Hugh Hefner." She sent a link to the video to her 175,000 Twitter followers, even though she had already left Hefner. 

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– After much fanfare—including 300 Swarovski crystal-adorned wedding invitations—Hugh Hefner and playmate Crystal Harris won’t be getting married after all, People reports. The Playboy Mansion wedding was set for Saturday, but Harris canceled it today. “The split was a mutual decision and the two remain good friends,” says the 25-year-old's manager. They had announced their engagement during the holidays; it would have been Hef’s third marriage. "Crystal has had a change of heart," the 85-year-old tweeted. Click for more on the split.