What is the name of this song recorded by Barbadian singer Rihanna for her album "Unapologetic", in which she worked with Anthony Mandler on the music video?
Anthony Mandler: Anthony Mandler (born April 18, 1973) is an American film director, music video director, television commercial director and photographer. Anthony Mandler:  The two have worked on sixteen music videos together throughout her career, beginning with "Unfaithful" in 2006 and most recently "Diamonds" in 2012. Diamonds (Rihanna song): "Diamonds" is a song recorded by Barbadian singer Rihanna for her seventh studio album, "Unapologetic" (2012).
Diamonds