 A Girl like Me is the second studio album by Barbadian singer Rihanna, who worked with Evan Rogers, Carl Sturken, StarGate, J. R. Rotem and label-mate Ne-Yo, who wrote the album's second single,  "Unfaithful" , written by who?
A Girl like Me (Rihanna album):  For the production of the album, Rihanna worked with Evan Rogers, Carl Sturken, StarGate, J. R. Rotem and label-mate Ne-Yo, who wrote the album's second single. Unfaithful (song):  It was written by Shaffer "Ne-Yo" Smith with the song's producers StarGate.
i don't know