There are plenty of average people who look like celebrities. With over 7 billion people on Earth walking around, doppelgängers are bound to exist. But it's a bit jarring when famous celebrities look exactly alike, because the pool of Hollywood actors is obviously much, much smaller than that of the world's population. But is it a just a coincidence that Samara Weaving, Emma Mackey, Margot Robbie, and Jaime Pressly look like they could be quadruplets, or does this prove that Hollywood has a ver…