"Lovekiller" is the fourth single from Darin's fifth studio album of the same name. The song was written and produced by Darin and Tony Nilsson. The single was released on 13 July 2010 on CD and digital download. Darin's label Universal Group Sweden posted the song on its official website. Darin performed the song live before its release as part of Darin's 17-date Summer Tour 2010. Darin had performed the song live many times as part of the promotion of the single and the upcoming release album. "Lovekiller" debuted at number 6 on Swedish charts which is also its highest peak. The song has helped Darin's album to sell gold in its first week of release, with the album debuting at number 2 on 27 August 2010 on Swedish Charts and peaking at number 1 the following week, making it Darin's fourth studio album to peak at number 1. Darin also recorded an acoustic version of "Lovekiller" as a bonus track of the album.