Rihanna and Coldplay live at the Grammy Awards

Rihanna And Coldplay Perform 'Princess Of China' At Grammys 2012 - Video

Rihanna

Chris Brown performs at Grammy Awards

Chris Brown Performs 'Turn Up The Music' And 'Beautiful People' At Grammys 2012 - Video

Chris Brown

Ed Sheeran live

Ed Sheeran Performs New Song 'Drunk' On The Graham Norton Show – Video

Ed Sheeran