Chris Brown has wished his ex-girlfriendRihanna a happy birthday on Twitter, fuelling reports they have worked on a track together.
Breezy took to the social-networking site to congratulate RiRi on turning 24 today (20th February) - which saw the Bajan babe quickly respond to her former beau, who assaulted her back in 2009.
Addressing Rihanna by her real name, Chris wrote on his official page: "HAPPY BIRTHDAY ROBYN!"
The We Found Love hitmaker then retweeted his message, simply adding: "Thanks!" on the end of Brown's tweet.
While Chris attended the singer's b-day bash last week, there was no evidence of them partying together because his people slapped anyone holding a camera with a confidentiality agreement.The birthday message comes as rumors continue to swirl about the two collaborating on a remix for one of their new singles ... though neither has confirmed the story yet.
