Some celebrities enjoy switching their look and reimagining themselves time and time again, while others prefer sticking to what works. Whether it’s their hairstyle, facial hair, or favorite fashion accessory, many Hollywood superstars have a signature look that sets them apart from everyone else.Some of them become so heavily linked to that look that it’s nearly impossible to recognize them without it. They often look like completely different people when venturing off from their trademark physical traits that made them famous, and these 40 celebrities are a case in point.