Katy Perry mistaken for Deschanel in LA

Katy Perry has reportedly been mistaken for Zooey Deschanel.

The 'I Kissed A Girl' singer was the victim of an identity mix-up when a group of fans in Los Angeles thought that she was the (500) Days Of Summer actress.

Perry revealed on her Twitter page that she was stunned about the recent mixup, reports Contactmusic.

Perry wrote: "F**k. I'm outside minding my own business eating pinkberry & some s**tz yell out the car 'Zooooooeeey Desccchanel' FML, welcome to LA."

(500) Days Of Summer is currently in cinemas in the US and is released in the UK on September 4.