"Stupid in Love" is a song by the Barbadian recording artist Rihanna, is the fourth track from her fourth studio album Rated R (2009). The song was written by Shaffer Smith, Mikkel S. Eriksen and Tor Erik Hermansen. "Stupid in Love" received a mixed response from music critics. Some critics praised Rihanna's emotional delivery of the song whereas others criticized it as being forgettable and overly dark. Upon the release of Rated R, the song peaked at number seven on the South Korea Gaon International Chart on December 27, 2009.