Chris Brown's new girlfriend, Karrueche Tran, is afraid to leave her house without her boyfriend's bodyguards, reported TMZ. The Vietnamese model has been receiving threatening messages from Rihanna's crazed fans.

The drama peaked last week when Rihanna posted a photo on Twitter of a bag of rice cakes with sunglasses and earrings. The caption read, Ima a make u my b-tch,' and was thought to be a jab at Brown's current beau.

Tran retaliated by quoting rapper Nicki Minaj on her Facebook page. I meannnn I got him, you got pictures of him. Buwhaha, she posted. A friend of hers published another quote to the social networking site: I'm Angelina, you Jennifer/ C'mon b-tch, you see where Brad at.

But some fans of the We Found Love singer took the joke too far. A string of violent threats such as I hope Rihanna beat the dog shit outa yo a-s! Watch yo back! and I will kill you, were aimed at the model, reported the celebrity gossip news site.

Sources close to Karrueche told TMZ that she refuses to leave her house without bodyguards by her side.

There is still speculation about the R&B/pop super couple reuniting, with rumors flooding the Web about a possible engagement.

Chris Brown’s new girlfriend, Karrueche Tran, is afraid to leave her house without her boyfriend’s body guards, reported TMZ. The Vietnamese model has been receiving threatening messages from Rihanna’s crazed fans.