Spotify (06/18):

Blackout – 675,460
In the Zone – 657,366
Circus – 607,558
...Baby One More Time – 512,806
Oops!...I Did It Again – 499,529
Femme Fatale – 299,828
Britney – 212,576
Britney Jean – 145,265
Glory – 117,473

— Britney Daily Streams (@britneyonstream) June 19, 2021