The song has been re-released as a charity single with most proceeds going towards helping the We Love Manchester fund for the victims of the horrific Manchester Arena attack.
'One Last Time' has achieved a staggering 2.9 million streams, 61,000 downloads and the live version of the song performed at One Love Manchester has been viewed over 7million times so far on YouTube.
It was held off the number one spot by Luis Fonsi, Daddy Yankee and Justin Bieber's Despacito who managed to hold onto it for a fifth week running.
Another song that re-entered the charts after being performed at One Love Manchester is Oasis' classic track 'Don't Look Back In Anger'. It was played on the night by Liam Gallagher and Coldplay's Chris Martin. First released all the way back in 1995, the song is at number 26 in the charts. While Liam Gallagher's debut solo single 'Wall of Glass' is at number 21.
Here's Ariana singing 'One Last Time' at the One Love Manchester concert...