Unfaithful

Released on May 2, 2006, as the third single from her second studio album A Girl Like Me, Unfaithful marked a distinct shift in Rihanna's artistic direction. The track moved away from the dancehall and upbeat pop rhythms that characterized her debut Music of the Sun toward a darker, more mature sound blending contemporary R&B with orchestral elements. Written by Ne-Yo and produced by the Norwegian duo Stargate, the song explores the heavy themes of guilt, betrayal, and the confession of an affair.

Originally developed under the working title Murderer, the composition was reworked to focus on the emotional turmoil of the protagonist rather than a narrative of violence. This pivot allowed the singer to showcase vocal vulnerability alongside power, supported by a slow-tempo melody driven by piano and strings. Critics noted how the atmospheric soundscape emphasized the weight of the lyrics, distinguishing it from the Caribbean-influenced tracks that had defined her earlier career.

The song achieved significant commercial success globally, peaking at number six on the US Billboard Hot 100 while topping the Adult Contemporary chart. It reached the top ten in numerous international markets, including Australia and Canada. In the United States, the Recording Industry Association of America certified the single Platinum for sales exceeding one million units, while the British Phonographic Industry awarded it Gold status. [edit]