You'll no doubt already know that it's Celebrity Doppelgänger Week on Facebook.
Yep, the one where all your friends update their profile picture with a celebrity they've been told they look like.
One or two of them will probably have Brad Pitt or Megan Fox as their profile pic - these are the type of idiots you should delete from your friends.
Anyhow, to celebrate this momentous occasion, Gigwise presents a collection of brilliant music/celebrity doppelgängers.
Have you ever seen Red Hot Chili Pepper Chad Smith and Will Ferrell in the same room together? Or maybe even Pete Doherty and Crazy Harry from The Muppets? We think not.
Rock stars separated at birth: