On what date was Rihanna's album containing the song "Half of Me" released?
Half of Me (Rihanna song): "Half of Me" is a song recorded by Barbadian recording artist Rihanna for her seventh studio album "Unapologetic" (2012). Unapologetic: Unapologetic is the seventh studio album by Barbadian singer Rihanna. Unapologetic:  It was released on November 19, 2012, by Def Jam Recordings and SRP Records.
November 19, 2012