A list of celebrities who are not biologically related but could be mistaken as twins.

Zooey Deschanel and Katy Perry - They are two different people but when images of them are put side by side, they shockingly look like long lost twins. Deschanel has stated before that she found the comparison "a little bit annoying."

Amanda Seyfriend and Gemma Ward - The two blondes look like sisters. Amanda is best known for her movies "Mean Girls" and "Red Riding Hood" while Gemma is a famous Australian model and actress.

Zoe Zaldana and Thandie Newton - The two actresses bear the same resemblance. Zaldana famous for her movie "Avatar" and Newton played one of Tom Cruise's love interest in "Mission Impossible 2"

Victoria Justice and Nina Dobrev - Nina plays the lead role in the popular TV series "The Vampire Diaries" while her doppelganger Victoria is a singer, actress, song writer, and dancer who starred in Nickelodeon series "Zoey 101."

Natalie Portman and Keira Knightley - While the other may be taller, their faces are symmetrical with their deep set almond eyes and strong jaw line. Both are considered A-list actress, Portman who was highly praised for her movie "The Black Swan" and Keira who starred in many memorable films like "Pirates of the Caribbean."

Javier Bardem and Dean Morgan - Now, these two must be separated at birth. It's almost impossible to tell them apart.

Leighton Meester and Minka Kelly - The two starred in the movie "The Roommate." Both have brown long lock, doe eyes, prominent cheekbones, and cupid lips.

Mila Kunis and Vanessa Hudgens - Mila who launched her career in sitcom "That 70's Show" could be older sister of Vanessa who became famous for the movie "High School Musical."

Roselyn Sanchez and Nicole Scherzinger - Sanchez starred in movies "Rush Hour" part 2 and 3. Nicole was a Pussycat Dolls lead. Both ladies have similar prominent features.

Jennifer Connelly and Daniel Day-Lewis - Both a brilliant actor and actress but the two could mistakenly be the male and female version of each other.