Never mix business with pleasure. Whoever said this surely has not met the likes of Kim Kardashian-West. Garnering well over 64 million followers on Instagram alone, she has taken the world by storm and is truly a force to be reckoned with. As per Vogue, Kim has been labelled a "pop culture phenomenon", while Time magazine included her in their list of 2015's 100 most influential people. Whether we love her or hate her, we just have to admit - she is social media royalty. Here are 4 times Kim Kardashian-West slayed the marketing and brand management game.