In 2015, Lipa began working on her debut album for Warner Music Group. In August 2015, she released her first single “New Love”, produced by Emile Haynie and Andrew Wyatt. She released her second single, “Be the One”, in October 2015. It achieved success across Europe, reaching number one in Belgium, Poland and Slovakia, as well as charting within the top 10 in over eleven European territories. In Australia and New Zealand, the song became an airplay success, reaching numbers 6 and 20 respectively. In November 2015, she was revealed as one of the acts on the BBC Sound of… 2016 long list. Her first tour in the UK and Europe began in January 2016, and concluded in November 2016.
Lipa’s self-titled debut studio album was released on 2 June 2017. Its sixth single, “New Rules”, released in the following month, became Lipa’s first number one in the UK, and the first by a female solo artist to reach the top in the UK since Adele’s “Hello” in 2015. Her best-selling single to date, the song also charted in the top ten of other territories, including number two in Australia, number six in the US, and number seven in Canada. Lipa performed at the Glastonbury Festival in June. The following month, Lipa performed at the We the Fest, an Indonesian music festival in Jakarta. She performed on BBC’s Later… with Jools Holland in October. In December, Lipa was named the most streamed woman of 2017 in the UK by Spotify. She had four singles reach the UK top 10 in 2017, with “Be the One”, “New Rules”, “No Lie”, and “Bridge over Troubled Water”, a charity single for the families of the victims of the Grenfell Tower fire.