Bad Blood (Taylor Swift song)

"Bad Blood"
"Bad Blood"
Single by Taylor Swift featuring Kendrick Lamar
from the album 1989
Released	May 17, 2015
Studio	MXM (Stockholm); Conway Recording (Los Angeles);
Genre	Pop; hip hop;
Length	3:31; 3:19 (remix)
Label	Big Machine
Songwriter(s)	Taylor Swift; Max Martin; Shellback; Kendrick Lamar;
Producer(s)	Max Martin; Shellback; Ilya;
Taylor Swift singles chronology
Kendrick Lamar singles chronology
Music video
	"Bad Blood" on YouTube

"Bad Blood" is a song by the American singer-songwriter Taylor Swift from her fifth studio album, 1989 (2014). Swift wrote the song with the producers Max Martin and Shellback, and it is a pop song with stomping drums and keyboards. The lyrics are about betrayal by a close friend; many media publications interpreted that the American singer Katy Perry was the subject. A remix featuring the American rapper Kendrick Lamar, with additional lyrics by Lamar and production by Ilya, was released to radio as the fourth single to promote 1989 on May 17, 2015, by Big Machine and Republic Records.

Music critics gave the album version of "Bad Blood" mixed reviews; some found it to demonstrate a defiant attitude and deemed it a highlight, but others criticized the production as bland and the lyrics repetitive. The remix version received somewhat more positive comments for Lamar's verses, and it received a Grammy nomination for Best Pop Duo/Group Performance. Although NME and PopMatters ranked "Bad Blood" among the best songs of 2015, critics have retrospectively considered it one of Swift's worst songs. The single reached number one and received multi-platinum certifications in Australia, Canada, and the United States.

The music video for "Bad Blood" was directed by Joseph Kahn and produced by Swift. Media outlets focused on its ensemble cast consisting of many celebrities such as singers, actresses, and fashion models; some deemed the neo-noir visuals cinematic and futuristic. The video won a Grammy Award for Best Music Video and MTV Video Music Awards for the Video of the Year and Best Collaboration. Swift included "Bad Blood" in the set lists for three of her world tours: the 1989 World Tour (2015), the Reputation Stadium Tour (2018), and the Eras Tour (2023–2024). Following the 2019 dispute regarding the ownership of Swift's back catalog, she re-recorded both the album version and the Lamar remix for her 2023 re-recorded album 1989 (Taylor's Version); both re-recorded versions are subtitled "Taylor's Version".
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