Lipa performed "New Rules" during the 2018 Brit Awards on a summer-styled stage, moments after winning the British Female Solo Artist accolade. "Billboard"s Rachel George deemed the performance as "girl-power inspired". Lipa's appearance helped her eponymous debut studio album, which had previously peaked at number five, to reach number three on the UK Albums Chart. On 20 May 2018, the artist performed "New Rules" at the 2018 "Billboard" Music Awards. Six days later, Lipa sang the track as part of a medley of her most successful songs during the opening ceremony of the 2018 UEFA Champions League Final in Kiev, Ukraine.