The shocking incident occured at a Birmingham concert earlier this week.
Rihanna's bad-girl image has taken another twist - she has been caught on video reportedly hitting a fan in the face with her microphone at a Birmingham concert on Monday night.
In the grainy clip, which was shot by a fellow concertgoer, the We Found Love singer appears to be hitting an overzealous fan who had grabbed her arm.
Monday's concert was plagued by drama as she was two hours late following a night of partying with model and best pal, Cara Delevingne.
She is now at the centre of a Twitter storm with fans expressing their outrage at her reaction to the fan. "How can you hit a fan that was excited too see you? Don't go too the crowd if you don't expect too be grabbed fans made you," one user wrote.
On her lateness, one reveller wrote on the social networking site: “Let's play a game called ‘how late will Rihanna be’! Place your bets now using #RihannaNeedsAWatch.”
Rihanna is playing in Dublin on Friday night and her Irish fanbase are hoping for a less eventful performance.