Unfaithful is an R&B pop ballad from Barbadian singer Rihanna’s second (2nd) studio album A Girl like Me, released in 2006. The song was produced by production duo StarGate and written by Shaffer “Ne-Yo” Smith. The song was released as the second (2nd) single from the album by Def Jam Recordings on May 2, 2006.
Unfaithful reached the top ten (10) on the singles charts in 19 countries, and became Rihanna‘s third (3rd) top-ten single on the UK Singles Chart. It also peaked at number six (6) on the US Billboard Hot 100 chart and later certified platinum by the RIAA, having sold over one (1) million copies.