Singer keeps a low profile after alleged attack
Rihanna was due to mark her birthday with a lavish party at the weekend.
But the singer opted for a more intimate do in the Hollywood Hills, according to X17 Online.
Rihanna, real name Robyn Fenty, has been keeping a low profile since her boyfriend Chris Brown, 19, was arrested for allegedly assaulting her.
She released a statement at the weekend thanking her fans for their support following the publication of an image appearing to show her injured face.
Chris, who was charged with making criminal threats on 8 February, has expressed his regret about ‘what transpired’.
Rihanna was spotted wearing sunglasses in a car near an LA airport on Thursday – the night before her 21st birthday.