John Sciulli/Getty Images for Calvin KleinHappy birthday, Khloé Kardashian!
The E! star turns 31 today and what better way to celebrate the youngest Kardashian sis than with a look back at just how much she's evolved since childhood. It's no secret that the reality star and fashionista has always been a kickass independent woman, but it may come as a surprise that Kardashian once stepped out as a red head and even sported a fedora every now and then!
But even amidst her various fashion and beauty change-ups, we've always loved KoKo's fearless spirit. Click through the gallery below for a closer look at Khloé's transformation. Which signature style statement is your favorite?