Spotify (05/03):

Blackout – 769,544
Circus – 676,234
In the Zone – 636,171
...Baby One More Time – 522,804
Oops!...I Did It Again – 508,760
Femme Fatale – 316,466
Britney – 212,983
Britney Jean – 147,994
Glory – 136,279

— Britney Daily Streams (@britneyonstream) May 4, 2021