As someone who's fallen victim to a case of mistaken identity *multiple times* in my adult life, it still boggles my mind that there is an actual stranger walking around with my entire face. Like, riddle me this: Do I have a doppelgänger or am I the doppelgänger? So I can only imagine what it feels like to be an internationally-recognized celebrity who is constantly being mistaken for another person who is also famous — wild! And while there are some times when fans simply mistake two celebrities that have similar names — Michelle Williams (the singer and the actress), the Ryans of Canada (Gosling and Reynolds respectively), or even the canon of famous Chrises (there are too many to name) — there are also so many celebs who look like they've actually been copied and pasted. Here's a list of celeb doppelgängers, and I bet you can't actually tell them apart. 1. Jesse Eisenberg and Michael Cera have been mistaken for one another for years .…