Crystal Harris doesn’t seem to show any regret on calliing off the wedding with Playboy tycoon Hugh Hefner as she was seen partying in Vegas with Heidi Montag, who was hosting the Wet Republic event at the Hard Rock Hotel..  The 25-year-old seem to openly mock 85-year old Hefner by posing up with the latest edition of Playboy and has her on the cover page. Check out the pictures –

Hugh, you should be glad that she left you before the marriage, not after!