As the President and CEO of Fashion Group International, Margaret Hayes, who died on Thursday at her home in Greenwich, Conn., at the age of 79, led several initiatives, including FGI’s annual Night of Stars. The fall gala typically crowned a “Superstar” and several fashion “Stars,” but there is no doubt the event’s hero was Hayes herself. The much-loved executive presided over the glamorous affair and brought together the design and entertainment communities with such aplomb that one couldn’t help but be star struck. I speak from personal experience. One year, I found myself seated between Donatella Versace and Prince