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.