Rihanna is currently working on her next album, whilst staying in London.
The singer, who is set to preform at tomorrow night's BRIT Awards, has reportedly set up temporary recording studio in the capital.
Rihanna told fans over Twitter: "Brit rehearsal went smoove! Next stop, set up studio in a hotel room. Brits rehearsal was #FAWESOME I'll be turning 24 making mu$ic!!! (sic)"
Meanwhile, Rihanna's new track 'Birthday Cake' could feature former boyfriend Chris Brown, it has been reported.
It has been announced that the singer will release a full-length version of the track, taken from recent album 'Talk That Talk'.
The singer has now revealed that the extended of the track will feature a guest star.
Co-producers Da Internz told MTV News: "We got the Rihanna 'Birthday Cake' coming out in a week.
"It's gonna be crazy. And the feature on there is gonna shock the world."