Spotify (05/17):

Blackout – 777,218
Circus – 639,969
In the Zone – 625,882
Oops!...I Did It Again – 489,543
...Baby One More Time – 475,552
Femme Fatale – 298,627
Britney – 204,602
Britney Jean – 148,487
Glory – 125,732

— Britney Daily Streams (@britneyonstream) May 18, 2021