Producer: Elvira Anderfjärd - Artist: Taylor Swift - Vocal Producer: Christopher Rowe - Recording Engineer: Elvira Anderfjärd - Vocal Engineer: Sam Holland - Mixer: Serban Ghenea - Engineer: John Hanes - Mastering Engineer: Randy Merrill - Programming: Elvira Anderfjärd - Bass: Elvira Anderfjärd - Drums: Elvira Anderfjärd - Keyboards: Elvira Anderfjärd - Background Vocalist: Taylor Swift - Background Vocalist: Elvira Anderfjärd - Remixer: Elvira - Composer/Author: Taylor Swift