Lady Gaga's Perfect Illusion set to be this week's highest new entry on the Official UK Singles Chart

Plus there are new entries from James Arthur and Kings Of Leon on the Official Chart Update.

The Chainsmokers continue to lead the way on the Official Singles Chart and are heading for a third stint at Number 1 this week.

The US duo’s collaboration with Halsey, called Closer, has a strong early lead on this week’s Top 40, currently 12,000 combined sales ahead of their closest competitor, DJ Snake and Justin Bieber’s Let Me Love You (2).

Meanwhile, Major Lazer’s Cold Water is a non-mover at 3, and Lady Gaga looks set for this week’s highest new entry with her brand new single Perfect Illusion, currently at Number 4. The star last reached the Top 5 with 2013’s Number 4-peaking Applause in 2013.

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

New entries and high climbers

Sia looks set for a massive climb with her new single The Greatest ft. Kendrick Lamar, up 43 places to Number 6 in today’s Official Chart Update, and Ariana Grande’s Side To Side ft. Nicki Minaj could find itself in the Top 10 this Friday, currently at 9.

Bastille’s Good Grief is climbing back up the Top 40 following the release of their new album Wild World this week, up seven spots to 20, and Offaiah’s Trouble also climbs seven to 24.

Finally, two new songs are on track to land in this week’s Top 40: James Arthur’s Say You Won’t Let Go starts at 30, and Kings Of Leon’s comeback single Waste A Moment is at 35.

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

Remind yourself of every Official UK Number 1 single of 2016 so far below:

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Justin Bieber – Love Yourself

Article image: Lady Gaga/Universal