Spotify (06/15):

Blackout – 646,710
In the Zone – 593,185
Circus – 571,415
...Baby One More Time – 464,960
Oops!...I Did It Again – 456,509
Femme Fatale – 288,143
Britney – 199,040
Britney Jean – 140,838
Glory – 115,890

— Britney Daily Streams (@britneyonstream) June 16, 2021