"Perfume" is a song recorded by American singer Britney Spears for her eighth studio album, Britney Jean (2013). It was written by Spears, Sia Furler and Christopher Braide, while the song was produced by will.i.am and co-produced by Keith Harris and Braide. The song was released as the second and final single from the album on November 4, 2013 by RCA Records. "Perfume" is a synthpop, power ballad, which is influenced by music of the 1980s. Lyrically, the song is built around themes of jealousy and suspicion in a relationship. Spears revealed that the song was about her split with her ex-fiancé, Jason Trawick, in early 2013.

A musical departure from its EDM-influenced predecessor, "Work Bitch", music critics noted her "surprisingly strong" vocals, and compared them to those of Gwen Stefani. Worldwide, the song performed weakly in official charts, peaking at number 76 in the United States and within the top 70 in Australia, Canada and Ireland. The music video for "Perfume" was directed by Joseph Kahn and released in December 2013. Spears' love interest in the video leaves her for another woman, while Spears is left devastated. Kahn mentioned that there is an unreleased director's cut version of the video, where Spears role in the video is actually an assassin hired to kill her boyfriend. Spears included the song on her current residency concert Britney: Piece of Me (2013–15). The song has sold over 300,000 copies in the United States.

In July 2013, Spears revealed through Twitter that she "wrote such a special song" with Australian singer-songwriter Sia Furler, which was later revealed to be Spears' favorite track on Britney Jean, the ballad "Perfume". In October 2013, it was announced that the song would serve as the second single for the album, after the release of lead single "Work Bitch" in September.RCA Records' CEO Peter Edge said he felt "fairly strong" that the song would be the second single after hearing it, and that it could be "a big career song". He continued to praise Spears' vocals, commenting that "she sings it beautifully and it has a real sincerity to it. And it's outstanding -- I think people are not only gonna be surprised but also see another side of Britney." Spears' manager Larry Rudolph described "Perfume" as being "a breakup song that's about wanting the next girl to smell your perfume on the guy afterwards. The lyric[s] [are] really unique and she sings the shit out of it."

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