Anastasia Karanikolaou, often referred to as Stassie or Stassie Baby, is a model and social media superstar that many know as Kylie Jenner's best friend. Stassie's social media presence demonstrates her fashion prowess and her ability to keep up with, and even, start many trends. Her and Jenner are often seen sporting matching outfits, but her solo looks are just head-turning. Check out this solo shot of her featuring a pair of Dior Obliques sunnies.