"Unfaithful" is a song written by Ne-Yo, Tor Erik Hermansen and Mikkel S. Eriksen for Rihanna's second album A Girl like Me (2006). It was produced by Stargate and released as the album's second single in mid-2006. "Unfaithful" reached number one in many countries and charted strongly across the world.
The song is about taking on a woman who is in a relationship with a man but is having an affair. The woman begins to realize that her partner is well aware that she is having an affair and it is hurting him badly, so she begins to regret her affair.
