"Fancy" is a song by Australian rapper Iggy Azalea featuring British recording artist Charli XCX, taken from the former's debut studio album, The New Classic (2014). It was released on 17 February 2014 by Def Jam Recordings as the fourth single from the album. "Fancy" was described as an electro-hop song; it was written by Azalea and XCX and composed by production team the Invisible Men, who also produced it, alongside The Arcade. It was leaked under the title "Leave It" in December 2013.