SOS is the second studio album by American singer-songwriter SZA. It was released through Top Dawg Entertainment and RCA Records on December 9, 2022. The album features guest appearances from Don Toliver, Phoebe Bridgers, Travis Scott, and the late Ol' Dirty Bastard. SZA worked with a variety of record producers and songwriters such as Babyface, Jeff Bhasker, Rob Bisel, Benny Blanco, Darkchild, DJ Dahi, Ant Clemons, and Lizzo. It serves as the follow-up to SZA's previous album Ctrl (2017).

"Kill Bill" is a song by American singer-songwriter SZA and the fifth single from her second studio album, SOS (2022). It is a pop and R&B murder ballad, built around a midtempo, groovy rhythm and a detuned melody. Guitars, a bassline, and a flute that was sampled from a Prophet-6 synthesizer constitute the song's production, which is influenced by the boom bap subgenre of hip hop. Mirroring the plot of the Kill Bill film duology (2003–2004) after which the song is named, the lyrics discuss a fantasy to kill an ex-boyfriend and his new girlfriend out of jealousy, and they employ humorous irony alongside violent imagery that contrasts with SZA's soft vocals. "Kill Bill" was sent to US radio on January 10, 2023, after achieving success on streaming services.