Brake squeal when reversing

Anyone suffer with this? Noticed it as I reversed up driveway to the garage, obviously going very slowly.
 
Yeah mine just started doing it, only does it when i first start car, think its the cold. mines parked up monday to friday tho
 
Your rear brakes are probably seizing, it's a very common issue on the Clios and they require (at least) annual maintenance. Have a search around the forum and you'll find a ton of useful info on how to sort them. If you know which end of the screwdriver is the pointy side then it's not a big job.