Rihanna may sue Chris Sandra Rose says Rihanna is thinking about asking for a restraining order from her ex-lover Chris Brown not stop say his name in interviews. The report reveals that while Chris and Rihanna have un cut communication with each other since they split in May, Chris remained relentless in using the name Rihanna to promote her upcoming album. Brown had tweeted that he and Rihanna were collaborating on a new track called "Put It Up". But Rihanna attacked with a subliminal tweet on Twitter.com: "You're going to die, be born again, born again and die again before I do a song with you." she wrote. Rihanna reportedly so stressed by this disrespect Brown. It was also revealed that Chris Brown, though disappointed, is not surprised at the behavior of the Barbadian singer.