Chris Brown has wished his former girlfriend Rihanna a happy birthday on Twitter, adding to reports that the pair are back together.
The singer, who assaulted Rihanna in 2009, congratulated her over the social network this morning (
Brown wrote: HAPPY BIRTHDAY ROBYN!", to which she replied: Thanks!"
Earlier this month, the pair spent Valentine's night together as they celebrated her birthday in LA alongside friends.
Katy Perry, Bruno Mars and Kelly Rowland all attended the bash in Beverly Hills on Tuesday.
A source told the Daily Mirror: 'Rihanna and Katy had everyone going crazy. By the end of the night they started a cake fight and were dancing together while Bruno and Chris looked on open-mouthed, cheering.''
One party guest tweeted: ''If Cupid was here he would be very happy everyone @Rihanna bday party was coupled up.'
She added: 'All I can say, CB was invited and she [Rihanna] was acting like the happiest girl on her birthday and probably got what she asked for.'