Question: Anthony Mandler is an American film director, music video director, television commercial director and photographer, a frequent collaborator of Rihanna, the two have worked on sixteen music videos together throughout her career, beginning with "Unfaithful", a 2006 song by Barbadian singer Rihanna from her second studio album "A Girl like Me", released in what year?
Sentence (from "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.
Relevant evidence: Yes