Spotify (06/01):

Blackout – 692,362
In the Zone – 617,833
Circus – 603,479
...Baby One More Time – 486,743
Oops!...I Did It Again – 470,911
Femme Fatale – 292,896
Britney – 205,085
Britney Jean – 143,857
Glory – 120,359

— Britney Daily Streams (@britneyonstream) June 2, 2021