Lasts Forever" is a duet with Bhasker, who performs under the alias of Billy Kraven. It was noted by O'Connor for its prominent use of Auto-Tune. Perfectionist closes with "If I Was God", in which Kills asks her partner if he would love her if she were poor. For musicOMH, Blair Kelly likened its chorus' melody to that of Bush's "Running Up That Hill". Release and promotion The cover art for Perfectionist, which depicts Kills sitting on an exam chair, with a red cross covering her eyes, was unveiled by Cherrytree on 11 March 2011. In Austria, Germany and Switzerland, the album was released by Universal Music as a CD and digital download on 1 April, while in Poland it was issued on 14 April. The US release proceeded on 16 August, as well as for Canada. That day, Kills performed songs from the album at the New York City-based building Atlas, accompanied by a keyboardist. On 19 September, it was released in the United Kingdom. Singles and music videos "Zombie" was selected as Perfectionists first promotional single, and was released on 21 December 2009. Its music video, which features Kills being tortured in a laboratory, was released on 16 March of the following year. The song was used in the sixth episode of the first season of the Syfy reality television series Face Off, aired 2 March 2011. Despite not having been included in the album, "Activate My Heart" was released as its second promotional single on 13 April 2010, while an accompanying visual was uploaded on 17 December. "Mirrors" was digitally released as the album's lead single on 10 August 2010, while a CD single was issued six months later in Germany. An accompanying music video was released on 1 December 2010, featuring Kills being dragged into a mirror and subsequently exploring the concepts of vanity, control and sex. The song charted. "Wonderland" followed as the second single from Perfectionist, and was available for purchase on 25 April 2011. It only charted in Austria and Germany, respectively at number 55 and 45. Doubet was commissioned to direct its music video, which sees Kills being forced into a mansion, being fed a cooked heart and ultimately climbing up a table, leading to chaos and violence inside the house. Selected as the album's third single, a remix of "Free" with guest vocals from will.i.am, was released on 24 June 2011,