"Black Heart" is a song by British girl group Stooshe, taken from their debut album London with the Lights On (2013). Produced and written by Future Cut in collaboration with Jo Perry and Shaznay Lewis, it was released as the album's second official single by Warner Music UK from 15 June 2012. "Black Heart" is a ballad with a "Motown-esque" feel about it. Group member Courtney Rumbold revealed the song showcases Stooshe's different range, tones and styles. The lyrics to "Black Heart" talk of the issues of being in a relationship with a cheating lover. The cover art for "Black Heart" was released on 17 May. It depicts the girls in illustrated outfits and Jenny Mensah of 4Music called it "loud, bright and colourful".