The Chainsmokers' Closer extends its reign over the Official Singles Chart

Plus there are new entries from Lady Gaga and James Arthur on this week's Top 40

The Chainsmokers extend their reign over the Official Singles Chart this week, as Closer keeps the Number 1 spot.

The US duo’s collaboration with Halsey notched up 89,000 combined sales to lead the Top 40 for a third week, made up of 31,000 downloads and 5.8 million streams.

Closer finishes a sizable 31,000 ahead of its closest rival, DJ Snake and Justin Bieber’s Let Me Love You (2), while Major Lazer’s former Number 1 Cold Water holds at 3.

Calum Scott’s Dancing On My Own is a non-mover at 4, and Sia’s The Greatest zooms 44 places to Number 5 – the biggest climber in this week’s Top 40.

Ariana Grande celebrates her fourth Top 10 single today with Side To Side ft. Nicki Minaj, which leaps from 24 to Number 8. The song is now the highest charting from her Number 1 album Dangerous Woman, following the title track (Number 17 peak) and Into You (Number 14).

This week’s highest new entry comes from Lady Gaga and her comeback track Perfect Illusion, which lands at Number 12. The song serves as the lead single from her new album Joanne, which is out on October 21.

Bastille’s Good Grief rebounds seven spots to Number 20 following the release of their new album Wild World this week, and former X Factor champion James Arthur debuts at Number 25 with Say You Won’t Let Go – his first single in three years.

See this week's Top 100 Official Singles Chart in full