When Guccio Gucci opened his first store on Via Vigna Nuova in Florence, Italy in 1921, little would he have imagined that his surname would become synonymous with sex appeal, hip-hoppers, gender-fluid dressing, and amass 46 million followers on a 21st century platform called Instagram. House of Gucci: 100 years of iconic fashion Add to that, screenplay-worthy family feuds, a …