Buuxi weedhan soo socota: Republic Records waxay xaqiijisay bishii Abriil 2015 in dib u habeynta "Bad Blood" ay u adeegi doonto sida afaraad ee "1989". Nooca remix-ka oo ay kujiraan fanaanka Kendrick Lamar waxaa la sii daayay May 17, 2015, si loogu soo dejiyo dijitaalka Big Machine Records. Daabacaadda hal-ku-dhegga waxaa lagu taageeray bandhigga fiidiyowga muusikada ee
Abaalmarinta muusikada ee "Billboard" ee sanadka 2015. "Bad Blood" waxay saameyn ku yeelatay raadiyaha hit-ka casriga ah ee Mareykanka bishii Meey 19, 2015, iyada oo hoos timaad Big Machine iyo Republic Records. Heesta waxaa loo sii daayay raadiyaha hit-ka casriga ah ee Talyaaniga Juun 12, 2015, iyada oo loo marayo Universal Music Group.