08/08/2013 10:09 BST | Updated 20/08/2014 09:59 BST

Celebrity Lookalikes: 50 Stars Who Were Separated At Birth

There are certain celebs out there in showbiz land that should feel secure in the fact that if their careers ever take a nosedive then they will always be able to make a decent living impersonating their still-famous doppelgangers.

From the spookily uncanny (can you spot the difference between Natalie Portman and Keira Knightley?) to the downright silly (Benedict Cumberbatch and Ice Age Sid, anyone?), if you're a celeb there's a big chance you've got an almost-as-famous lookylikey.

Take at look at the stars who'll make you do a double take in our gallery below and see how many you can tell apart...

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