Ok, so the movie buffs out there will know they were both in the Star Wars: Episdoe 1 – Phantom Menace, but has anyone ever actually seen Natalie Portman and Keira Knightley in the same room at the same time? We also know Will Ferrell and Chad Smith are basically the same person after their now notorious drum-off, but who knew Katy Perry and Zooey Deschanel were actually twins? Enjoy our seriously spooky sets of 40 celebrity lookalikes. Have we missed any? Let us know in the comments.