There are many celebrities out there from a whole number of industries. We don't often realise it, but even in this small, exclusive community, individuals can look remarkably similar - to the point where we often confuse one with another.
Here are 30 actors whose likeness is truly uncanny. Genetics is an amazing thing!
Zooey Deschanel and Katy Perry
Bradley Cooper and Ralph Fiennes
Natalie Portman and Keira Knightley
Cindy Crawford and Eva Mendes
Melanie Griffith and Meg Ryan
Ian Somerhalder and Rob Lowe
Bill Murray and Jim Belushi
Patrick Dempsey and Guillaume Canet
Jennifer Garner and Hilary Swank
Cameron Diaz and Helena Christensen
Zoe Saldana and Thandie Newton
Kim Kardashian and Nicole Scherzinger
Milla Jovovich and Linda Evangelista
Jeffrey Dean Morgan and Javier Bardem
Michelle Williams and Carey Mulligan