Is there a patron saint of fashion?

Yes, Saint Homobonus of Cremona is considered the patron saint of fashion and tailors. He was a 13th-century Italian merchant who was known for his generosity and kindness. He was said to have given away much of his wealth to the poor and needy, and he was also known for his fair treatment of his employees. He is often depicted in art holding a pair of scissors or a piece of cloth, and his feast day is November 13th.