A guest tells us the event at Hiro was “so disorganized” that several people walked out because there were no seats. “It was a disaster,” said our spy. “When we complained, we were offered bottles of champagne to stay.” Another source said attendees were groping for freebies and stealing diamond-shaped Fabulosity perfume bottles. Simmons’ rep said, “There was no designated seating, there was a VIP area that was Kimora’s for executives. And no one paid for anything.”