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.
Shy Carter Shy Carter (born August 21, 1984), is an American songwriter, record producer, and singer. Recently, Shy has written for top acts such as Meghan Trainor, Jason Derulo, Charlie Puth, Faith Hill, Tim McGraw, and Billy Currington. He co-wrote Charlie Puth's two-time platinum hit "One Call Away" which hit No. 1 on "Billboard"'s Adult Top 40 chart. In 2009, he co-wrote "Someday" with Rob Thomas, which spent over 40 weeks in the Top 5 and became a No. 1 hit on "Billboard"' s Adult Top 40 chart. "Stuck Like Glue", his collaboration with Sugarland, debuted on the "Billboard" Hot 100 at No. 20 and became the 11th most downloaded country music song of all time. He has also been featured on Latin artist Gloria Trevi's #1 song "Habla Blah Blah". He's also worked with Faith Hill, Ashanti, and Chingy. Carter also wrote a song titled "Bring it Back", which was released on August 7, 2015 and hit the Top 40 of "Billboard"'s Rhythmic chart.