Unapologetic
Unapologetic is the seventh studio album released by Barbadian singer Rihanna. It was released on November 19, 2012, by Def Jam Recordings.  The album features collaborations from Future, David Guetta, Eminem, Mikky Ekko, and Chris Brown.  Unapologetic became Rihanna's first number-one album on the Billboard200 chart in the United States. It features the number one hit single "Diamonds". To promote the album Rihanna went on the 777 Tour which consisted of seven shows in seven cities over seven nights.