Hopeless Fountain Kingdom (stylized in all lowercase) is the second studio album by American singer-songwriter Halsey. It was released on June 2, 2017 through Astralwerks. The album features guest appearances from Quavo, Lauren Jauregui and Cashmere Cat. Halsey co-wrote every song on the album, while production was handled by Lido and Benny Blanco, among others. Following its release, Hopeless Fountain Kingdom debuted at number one on the Billboard 200 albums chart in the United States and the Canadian Albums Chart. The album was also certified Platinum by the Recording Industry Association of America (RIAA) in the US. In support of the album, Halsey embarked on the Hopeless Fountain Kingdom Tour (2017–2018). The album was described by Halsey as having more "radio friendly music" when compared to her previous releases. As a result, Hopeless Fountain Kingdom is primarily a pop and R&B record and features synth-pop and electropop.