The song becomes her first champ as a recording artist, after she led as a songwriter.
"Now And Then" is outselling the rest of the top 5 combined, the Official Charts Company reports.
Swift’s latest release clocks up 184,000 first-week chart units, the Official Charts Company reports.
TayTay lands another U.K. chart double.
Swift completes a chart double and floods the top deck of the ARIA Singles Chart.
The pop-rap viral track, which samples The Emotions’ “Best of My Love,” zooms into the top 40 on the Hot 100.
The new champ comes 26 years after he first led the list, a new record among all artists.
"Hackney Diamonds" debuts at No. 1 on the ARIA Chart, published Friday, Oct. 27.
The Kid LAROI, BTS singer Jung Kook and Central Cee's "Too Much" is set to be the week's highest debut.
Kenya Grace leads an unchanged top 3.