Cape Town - The idea of having a doppelgänger or lookalike somewhere in the world is both fascinating and creepy!
And yet a lot of people get mistaken for being celebrities due to their striking resemblance, and even use that to their advantage!
But some celebrities have us doing a double take because we mistake them for another famous person.
Here are nine celebrity-doppelgänger duos that regularly make us look again:
1. Zooey Deschanel and Katy Perry
2. Stephen Colbert and Bob Saget
3. Amber Heard and Scarlett Johansson
4. Natalie Portman and Keira Knightley
5. Jaime Pressly and Margot Robbie
6. Selena Gomez and Lucy Hale
7. Elizabeth Banks and Chelsea Handler
8. Minka Kelly and Leighton Meester
9. Angelina Jolie and Megan Fox
(Photos: Getty Images)