Ariana Grande back in top 40

 with One Last Time, the track 

she played last in Manchester

FROM THE TOPIC 

Ariana Grande's 2015 single One Last Time has gone to number one on the UK iTunes chart - and it's heading for the official top 40.

Thousands have downloaded the song since the Manchester terrorist attack, which killed 22 people. 

It was the final track Ariana performed on Monday.

The song is being streamed and downloaded after a fan campaign to get the track to the top of the official charts.

The track has climbed from outside the top 200 overnight to number 35 and it's currently outselling Justin Bieber and Liam Payne on iTunes.

However iTunes sales no longer contribute greatly to chart positions, with the top 40 more influenced by listeners' streaming habits.

"A number one on the iTunes Chart is unlikely to reflect the UK market overall across all retailers and streaming services," a spokesman for the Official Charts company told Newsbeat.

The video for One Last Time has been watched more than 286 million times on YouTube since its release in 2015.