Spotify (05/30):

Blackout – 644,248
In the Zone – 596,384
Circus – 565,438
...Baby One More Time – 469,961
Oops!...I Did It Again – 449,857
Femme Fatale – 267,100
Britney – 183,283
Britney Jean – 122,800
Glory – 104,745

— Britney Daily Streams (@britneyonstream) May 31, 2021