"Bad Romance" is a song by American singer Lady Gaga from her third extended play, The Fame Monster (2009). It was written and produced by Gaga and RedOne. Lyrically, "Bad Romance" explores Gaga's attraction to individuals with whom romance never works, her preference for lonely relationships and the paranoia she experienced while on tour. Following an illegal demo leak, Gaga showcased the final product at Alexander McQueen's show at the Paris Fashion Week in October 2009, followed by the release of the single's cover art. Musically, "Bad Romance" features a spoken bridge, a full-throated chorus and sung lyrics about being in love with one's best friend. The song, which is imbued with elements of Germanesque house and techno, as well as music from 1980s and the 1990s, was touted by Gaga as an experimental pop record. The song contains a few lines in French.
Most commentators were enticed by "Bad Romance", which they declared one of the highlights of The Fame Monster album. It was included in the 'best-of' lists in several media outlets such as Rolling Stone and Pitchfork Media, and acquired two Grammy Awards for Best Female Pop Vocal Performance and Best Short Form Music Video. In the United States, "Bad Romance" peaked at number two on the Billboard Hot 100, and it has been certified eleven-times platinum by the Recording Industry Association of America (RIAA), having sold nearly 5.6 million digital downloads as of April 2015. It achieved worldwide success by topping the charts in a variety of markets, ultimately selling 12 million copies worldwide, thus becoming one of the best-selling singles of all time.
The accompanying music video of "Bad Romance" features Gaga inside a surreal white bathhouse. There, she gets kidnapped by a group of supermodels who drug her and sell her to the Russian mafia for sexual slavery. The music video ends with Gaga killing the man who bought her. The song's video garnered acclaim from critics, who not only applauded the risqué and symbolic nature of the plot, but its artistic direction and vivid imagery. In 2011, the music video was voted the best video of the 2000s decade by readers of Billboard. It was nominated for numerous superlatives, including ten awards at the 2010 MTV Video Music Awards, where the singer won seven, including a recognition for Video of the Year. Gaga has performed "Bad Romance" on various television programs, such as Saturday Night Live, at various award ceremonies, such as the 2009 American Music Awards, and in three of her tours, the most recent being artRAVE: The ARTPOP Ball.