BBC’s Radio 1 has confirmed that Rihanna and Jay-Z will indeed be the two headlining acts in the expanding music lineup tied to the 2012 Olympic Games in London. The two are set to hit the stage during the BBC Radio 1 Hackney Weekend 2012, which will take place before the Games, from June 23 through the 24.  Jay will hit the stage the first night of the festival (June 23) with Rihanna performing the following night (June 24).  Read More…