"Flames" is a song by French DJ and record producer David Guetta and Australian singer-songwriter Sia. The song was released on 22 March 2018 by What a Music, as the third single from Guetta's seventh studio album, 7 (2018). The duo's seventh collaboration, it was written by Sia, Guetta, Christopher Braide, Giorgio Tuinfort and Marcus van Wattum, with production handled by the latter three.
The single was a commercial success, reaching the top 5 on official charts across Europe, including France, Scotland, Switzerland and the Netherlands. It also reached the top 10 in the United Kingdom and Germany among others, was the most-played song on European radio in 2018, and earned Sia a nomination for Best Female Artist at the ARIA Music Awards of 2018.