Sofia Richie, the daughter of Lionel Richie, little sister of Nicole Richie, and ex-girlfriend of Justin Bieber, has been making red carpet statements since she was ten, often favoring black and white, big coats, and bold braids. These days, the celebrity scion is all about dramatic streetwear, making frequent appearances in baggy sweats and crop tops. Of course, like any good aspiring model, she also knows how to turn it on for the red carpet, including this year's amfAR Cannes, where she stunned in a semi-sheer black lace gown. In celebration of the aspiring singer and fashion designer's 19th birthday, a look back at her style evolution over the year.