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?
Unfaithful (song) "Unfaithful" is a song by Barbadian singer Rihanna from her second studio album "A Girl like Me" (2006). It was written by Shaffer "Ne-Yo" Smith with the song's producers StarGate. The song was released by Def Jam Recordings on May 2, 2006, as the second single from the album. "Unfaithful" is a pop and R&B ballad and was inspired by the works of American rock band Evanescence. Originally titled "Murderer", the single speaks about a woman who regrets cheating on her partner.
Do You (Ne-Yo song) "Do You" is a 2007 single by American singer-songwriter Ne-Yo. It is about Ne-Yo questioning his ex-girlfriend if she ever thinks about him anymore. It is the second single from his second album, "Because of You". The single was officially released to radio the week of June 12, 2007. In an interview with BET, Ne-Yo said that "Do You" is the second part to his song "So Sick" from his debut album, "In My Own Words".