Spotify (05/29):

Blackout – 733,660
In the Zone – 685,427
Circus – 630,148
...Baby One More Time – 534,503
Oops!...I Did It Again – 521,589
Femme Fatale – 294,870
Britney – 212,435
Britney Jean – 142,607
Glory – 124,185

— Britney Daily Streams (@britneyonstream) May 30, 2021