Article continues below advertisementDavid Hasselhoff addressed rumors about his health after viral photos captured the Baywatch alum using a walker. The actor, 73, is reportedly doing "just fine," a news outlet reported on Friday, April 24. Speculation regarding the icon's health initially ignited after he was photographed two days earlier using a walking device outside a physical therapy office. The rare sighting followed a knee and hip replacement surgery nearly a year ago.