Chris Brown's girlfriend receiving death threats from Rihanna's fans

London, Mar 14 (ANI): Chris Brown's girlfriend, model Karrueche Tran has stopped stepping out of her house without being escorted by bodyguards after reportedly receiving death threats from Rihanna's crazy fans.

Late last week, the 23-year-old and 'Umbrella' hitmaker, sparred with words on Twitter, with Rihanna tweeting a photo of a bag of rice cakes wearing sunglasses and gold hoop earrings in what was seen as a jab at the half-Vietnamese model, TMZ reported.

"Ima make u my b---h," she had captioned the photo.

But several of Rihanna's fans took the joke one step too far, unleashing an avalanche of violent threats on Karrueche like "I hope Rihanna beat the dog shit outa yo ass!", "Watch yo back" and "I will kill you." (ANI)