Brad Pitt's appearance has certainly changed dramatically over the past few decades, but we're not complaining. From surfer-boy strands to a military buzz cut, Brad manages to look unreasonably hot every time he's out in public. Brad turns 51 today, and what better opportunity to reminisce on all his past looks? Read on to see some of our favorite coif choices — we think you'll be hard-pressed to pick a favorite.
Source: Getty / Han Myung-Gu