Showdown: Beyonce vs Rihanna

  

Snapshots

Showdown: Beyonce vs RihannaTwo of pop's biggest stars Beyonce and Rihanna go head to head in a showdown of their biggest hits! Will Ri Ri 'shine bright like a diamond'? Or will Bey still 'run the world'?Tue, Oct 26, 11:00 am4Music60 mins