Produced by bandmate Jamie xx, it comes alongside a lyric video starring artists and drag performers Charity Kase, HoSo Terra Toma, Gena Marvin.
It arrives on the same day the band's new Apple Radio show Interludes Radio begins.
It'll go out on Thursdays, with each member hosting an edition.
The 2015 track featured The xx’s Oliver Sim on vocals, and originally appeared on Jamie xx's solo album ‘In Colour’.
It's coming on Thursday, alongside a launch party.
The version was recorded at the end of a day spent recording Romy’s anticipated debut album.