"S&M" is a song by the Barbadian singer Rihanna from her fifth studio album, Loud (2010). The song was released on January 23, 2011, as the fourth single from the album. American songwriter Ester Dean wrote "S&M" in collaboration with the producers Stargate and Sandy Vee. Backed by bass beats, a keyboard and guitars, it is an uptempo Hi-NRG and Eurodance track with lyrics about sexual intercourse, sadomasochism, bondage, and fetishes.

Britney Jean Spears is an American singer. Often referred to as the "Princess of Pop", she is credited with influencing the revival of teen pop during the late 1990s and early 2000s. Spears has sold over 150 million records worldwide, making her one of the world's best-selling music artists. She has earned numerous awards and accolades, including a Grammy Award, 15 Guinness world records, six MTV Video Music Awards, seven Billboard Music Awards, the inaugural Radio Disney Icon Award, and a star on the Hollywood Walk of Fame. Her heavily choreographed music videos earned her the Michael Jackson Video Vanguard Award.