If there is a woman who is young and beautiful and shaping the culture in some way, chances are you’ve seen her wearing 16Arlington. It has become, in seven years, the maker of the “it girl” uniform, with women like Paloma Elsesser, Kendall Jenner, Adwoa Aboah, Amal Clooney, Alexa Chung, Shygirl, Hailey Bieber, Zendaya, and more filling feeds around the world with pictures of dresses that are slinky and sequined, or sometimes lined with feathers and tailored with plunging necklines or micro-mini hems.