Famous Lookalikes: 10 Celebrities Often Mistaken for Each Other

Nina Dobrev and Victoria Justice

Nina Dobrev: An actress known for "The Vampire Diaries." Victoria Justice: An actress and singer known for "Victorious."

Daniel Radcliffe and Elijah Wood

Daniel Radcliffe: An actor known for playing Harry Potter in the "Harry Potter". Elijah Wood: An actor known for playing Frodo in the "Lord of the Rings" series.

Logan Marshall-Green and Tom Hardy

Logan Marshall-Green: An actor known for "Prometheus" and "Upgrade." Tom Hardy: An actor known for "Mad Max: Fury Road" and "Inception."

Mila Kunis and Sarah Hyland

Mila Kunis: An actress known for "Black Swan" and "That '70s Show." Sarah Hyland: An actress known for "Modern Family."

Margot Robbie and Jaime Pressly

Margot Robbie: An actress known for "The Wolf of Wall Street" and "I, Tonya." Jaime Pressly: An actress known for "My Name is Earl" and "Not Another Teen Movie."

Jessica Chastain and Bryce Dallas Howard

Jessica Chastain: An actress known for "Zero Dark Thirty" and "The Help." Bryce Dallas Howard: An actress known for "Jurassic World" and "The Help."

Javier Bardem and Jeffrey Dean Morgan

Javier Bardem: An actor known for "No Country for Old Men" and "Skyfall." Jeffrey Dean Morgan: An actor known for "The Walking Dead" and "Supernatural."

Amy Adams and Isla Fisher

Amy Adams: An actress known for "Enchanted" and "American Hustle." Isla Fisher: An actress known for "Wedding Crashers" and "Confessions of a Shopaholic."

Natalie Portman and Keira Knightley

Natalie Portman: An Oscar-winning actress known for "Black Swan"  Keira Knightley: An actress known for "Pirates of the Caribbean" and "Pride and Prejudice."

Katy Perry and Zooey Deschanel

Katy Perry: A pop singer known for hits like "Firework" and "Roar." Zooey Deschanel: An actress and singer known for her role in the TV series "New Girl."