"Bad Blood"
Song by Taylor Swift featuring Kendrick Lamar
from 1989"
Written	2012 - 2014
Released	May 17, 2015 (2015-05-17)
Genre	Electropop hip hop
Length	3:32 (album version) 3:19 (single version featuring Kendrick Lamar)
Label	Big Machine
Songwriter(s)	Taylor Swift Max Martin Shellback
Producer(s)	Max Martin Shellback Ilya
Taylor Swift singles chronology
""Style" (2015) Bad Blood ""Wildest Dreams" (2015)

"Bad Blood" is a song by American singer-songwriter Taylor Swift. The song came from her fifth studio album 1989. The album version of the song only has Swift as the vocalist on verses. The single version has a different instrumental and guest vocals from rapper Kendrick Lamar on verses.