Question:  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?
Sentence (from "Unfaithful (song)"): It was written by Shaffer "Ne-Yo" Smith with the song's producers StarGate.
Relevant evidence: Yes