La Roux ( lah-ROO) is an English synth-pop act formed in 2008 by singer Elly Jackson and record producer Ben Langmaid. The act's debut album La Roux (2009) was a critical and commercial success, winning a Grammy Award and producing hit singles such as "In for the Kill" and "Bulletproof". Recording of a follow-up album was marred by unsuccessful collaborations, the cancellation of two planned release dates, and reported conflict between the duo.

Langmaid ultimately left the group in 2012, and Jackson released a second album, Trouble in Paradise, in 2014, maintaining the former duo's name as her stage persona. The album was a critical, but not a commercial success, and La Roux subsequently parted ways with Polydor Records. She released her third album, Supervision, independently in 2020. Her fourth album, Old Flames, is set to be released on 6 November 2026 via Vertigo Records and Universal Music.