Britney Spears receives an onstage kiss from Rihanna at the Billboard Music Awards

By DAILY MAIL REPORTER Blown away: Spears and Rihanna wow the crowd with their on-stage kiss which was reminiscent of Spears and Madonna It has been eight years since Britney Spears and Madonna shocked the world with their steamy onstage kiss on the lips at the MTV awards.And last night it was a familiar scene as the 29-year-old received a smooch from Rihanna as they performed onstage at the