In case you haven't heard the hype, today is a very special day for Kylie Jenner: it's her 19th birthday, and she has been going all out celebrating the mark of her last year as a teenager. In honor of the starlet's milestone occasion, we're celebrating her chameleon-like sense of style.
Kylie is constantly trying out new makeup looks and bold hair colors – in fact, she actually debuted a brand new look just in time for her birthday today! – so we rounded up just a few of her most memorable styles.
Click through the gallery to see 19 of Kylie's most extreme and stylish makeovers!