Rihanna stormed out of a party on Friday (27.11.09) after the DJ played a Chris Brown track.

The 'Russian Roulette' singer was reportedly stunned when DJs at the event put on a song by her ex-boyfriend - who was convicted of assaulting her in February this year - and decided to leave the London bash, shortly after arriving.

A source told Britain's Daily Mirror newspaper: "Who knows what possessed the DJ to start playing Chris? It was such a dumb thing to do. Rihanna had looked ready to party. But as soon as that song came on, she sat down and raised her eyebrows.

"She couldn't believe how insensitive the DJ was. She thought he probably played it to get a reaction. She wanted to leave there and then."

The 21-year-old singer stopped dancing and returned to her table, gathered her entourage and left the party, which was held for the launch of the new album 'All Or Nothing' by rapper Jay Sean.

Chris was sentenced to five years probation, 12 months of domestic violence counselling and 180 days of community labour for his attack on Rihanna.