What do Kendall Jenner, Gigi Hadid, and Cara Delevingne have in common—besides insane success, beauty contracts, and magazine covers? They all owe their careers to their savvy use of social media. In 2015, in order for a model to stay relevant, it seems that she or he has to stay engaged. Brands openly monitor the followers and follow-through of a given social media star’s fan base, eschewing runway favorites in favor of the latest viral sensations, which raises the question: Can you be a successful model if you don’t “do” social media?