Rihanna went to the hospital after her health condition suddenly got worse.
Rihanna had a concert in Malmo, Sweden, but she had to cancel it because she was feeling very had. Rihanna was admitted in the hospital and after that the doctors forbid her to go on stage. The cause is a virus the doctors think. Rihanna posted a message on her Twitter account saying she is sorry she is unable to perform in Malmo.