Brightest Blue is the fourth studio album by English singer and songwriter Ellie Goulding. It was released on 17 July 2020 through Polydor Records. Originally scheduled for 5 June 2020, the album's release was delayed due to the COVID-19 pandemic. The album is preceded by three singles: "Worry About Me", "Power" and "Slow Grenade", and features guest vocals from Blackbear, Diplo, Juice Wrld, Lauv, serpentwithfeet and Swae Lee. It is Goulding's first album since Delirium (2015).