Celebrity Twins

Ashley Olsen and Mary-Kate Olsen

Sami Malek and Rami Malek at an event for 2019 Golden Globe Awards (2019)

Cole Sprouse and Dylan Sprouse

Nicholas Brendon and Kelly Donovan

Sara Quin and Tegan Quin

Judy Reyes and Joselin Reyes

Aaron Carter and Angel Carter

Randy (right) with brother, Jason (left) on the set of their ESPN Classic show, Cheap Seats.

Fabio D'Innocenzo and Damiano D'Innocenzo

Jon Heder and Daniel Heder

Drew Scott and Jonathan Silver Scott

Benji Madden, Joel Madden, and Good Charlotte

Hunter Johansson and Scarlett Johansson

Jason London and Jeremy London at an event for Maestros del horror (2005)

Charlie Carver and Max Carver at an event for Fist Fight (2017)

David Thewlis, James Phelps, and Oliver Phelps in Harry Potter y las reliquias de la muerte (parte 1) (2010)

Luke Treadaway and Harry Treadaway

Tamera Mowry-Housley and Tia Mowry

Aaron Ashmore and Shawn Ashmore

Larry Bourgeois and Laurent Bourgeois at an event for Cats (2019)

Winona Ryder, Matt Duffer, and Ross Duffer in Stranger Things (2016)

Sophie Lovell Anderson and Eloise Lovell Anderson - The Bastard Executioner - Kurt Sutter

Cole Sprouse and Dylan Sprouse in Zack y Cody: Gemelos en acción (2005)

Christopher Lee, Howie Mandel, Dan Stanton, and Don Stanton in Gremlins 2: La nueva generación (1990)