Joint replacement surgery is one of the life-changing miracles of modern medicine. Bizarre though it may seem, surgeons can remove the parts of the knee, hip, or shoulder that aren't working properly and replace them with prosthetics, giving the patient a new lease on life. In the US alone, nearly one million knee replacements are performed each year, along with almost half a million hip replacements. While the surgery and recovery can seem daunting, there are plenty of familiar faces who have gone through it, and even managed to keep it a secret.
From actors to rockstars and presidents, countless celebrities and public figures have undergone joint replacement surgery at some point. Click through the following gallery to see just how great the results can be!