They look so much alike, you can barely tell which stud is which in this photo of the Hemsworth brothers! Liam Hemsworth, who is rumored to be married to Miley Cyrus, is on the left and his older brother, Chris Hemsworth is on the right.
Jonah Hill has very similar facial features to his younger sister, Beanie.
Hilary Duff and older sister Haylie Duff are almost identical! The sisters stared in the movie Material Girls together in 2006.
You can hardly tell sisters Vanessa Hudgens and Stella Hudgens apart! Vanessa, who's on the right, is 6 years older than Stella, who's on the left.
Miley Cyrus is super close to her 17-year-old sister Noah, who looks just like her.
Actor Ansel Elgort, who stared in the film Baby Driver, posed on the red carpet with his mom and older brother, Warren, but you could hardly tell which was which!
Zac Efron hit up a Dodgers game in Los Angeles with his near identical brother, Dylan Efron. Definitely don't mind there being two Efrons in this world!
Harry Potter star Emma Watson looks just like her brother Alex, who's 2 years younger than her.