Today Italian fashion designer Gianni Versace would have been 63 years old.   He was murdered 13 years ago outside his home in Miami.  His family currently runs the international company he founded, Gianni Versace SpA. His brother Santo serves as CEO and his sister  Donatella is in command of design. In his will, Gianni Versace left 50 percent of his fashion empire to his niece Allegra Versace, daughter of Donatella.