It's one thing to look like a family member, but it's a whole other thing to resemble someone from decades and even centuries before you were born. Yet it happens, and this is certainly also the case for the rich and famous. Some A-listers look just like people who were equally as famous (if not more) a lifetime ago, while others could be the twins of people whose names we don't even know.
Take a look through this gallery and compare photos of celebrities with their doppelgängers from the past!