Spotify (05/06):

Blackout – 808,467
Circus – 710,420
In the Zone – 672,850
...Baby One More Time – 553,204
Oops!...I Did It Again – 533,005
Femme Fatale – 327,407
Britney – 229,433
Glory – 157,412
Britney Jean – 157,181

— Britney Daily Streams (@britneyonstream) May 7, 2021