Uh oh, Ri Ri is in trouble!

PETA has written a letter to Rihanna pointing out that it's now illegal to sell fur in California and designers such as 'Chanel, Gucci, Dolce & Gabbana, Versace and Valentino have banned it.'

They encouraged Rihanna, who has worn many furs during her career, to 'help create a kinder world for your children to grow up in by deciding today that you'll no longer wear fur.'

'You have so much, won't you please spare the animals who ask for nothing more but to be left alone to live with their loved ones, free from electrocutions, gassings and beatings that are the standard in the fur industry, and donate your furs to a good cause?'

'We're also sending along a beautiful faux fur coat from Unreal Fur to help you stay warm and fashionable while making the cruelty-free switch.'

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To be fair it's a very gentle letter, so let's hope it's done the job and that we see Rihanna rocking fake fur from now on.