Spotify (06/03):

Blackout – 713,636
In the Zone – 645,421
Circus – 623,503
...Baby One More Time – 514,190
Oops!...I Did It Again – 498,614
Femme Fatale – 302,772
Britney – 220,749
Britney Jean – 148,178
Glory – 128,347

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