Even if you're not a fan of the Kardashian-Jenner clan, you know how they love to make a statement with their looks — and how their appearances are constantly changing. Our friends at PicClick exclusively revealed three mesmerizing GIFs to demonstrate their evolution, placing the spotlight on Caitlyn, Kylie, and Kim. While we're hooked on watching Kylie's lips plump up over and over again, we also can't get over how much Kim's eyebrows have evolved. Of course, Caitlyn's metamorphosis from playboy to vamp is definitely the most dramatic! Read on to see their changing looks.