Home News News Denver Sean She Wasn't Ready! Rihanna Gets Surprised by Fan's Singing Voice During 'Anti' Tour [Video] March 20, 2016 8:03 PM PST Rihanna invited a fan to sing-along to her song “FourFiveSeconds,” but she wasn’t ready for what happened next! He absolutely crushed it. Watch below. Share This Post Tags:FourFiveSecondsRihanna