Rihanna left bleeding after being 'bottled by crazy fan who screamed at her about Chris Brown'

Rihanna was left bleeding on a night out with party-girl Cara Delvingne after being bottled by a crazed fan who 'screamed at her about Chris Brown'. 

The Bayan singer ended her night at The Box nightclub with a cut knee after being 'assaulted' by the stranger outside the exclusive nightspot who screamed at her about her relationship with Chris Brown. 

According to eye-witnesses, the injury came after a the unidentified fan threw a bottle of Lucozade at the singer, before flinging a stream of insults about her on-off boyfriend Chris Brown.

In the commotion, she fell against a shop shutter and grazed her knee.

The injury was deemed serious enough for her to require immediate medical attention, according to  The S&M singer is in the capital for London Fashion Week where she presented her debut clothing collection for high street behemoth River Island.

Rihanna enjoying a night of clubbing with Cara Delevingne on Saturday following her London Fashion Week debut.

The 24-year-old emerged from trendy venue The Box in England’s capital city looking well held together in the same ensemble she donned for her catwalk presentation.