Spotify (06/14):

Blackout – 626,557
In the Zone – 572,141
Circus – 550,427
...Baby One More Time – 443,741
Oops!...I Did It Again – 433,782
Femme Fatale – 277,920
Britney – 187,380
Britney Jean – 132,056
Glory – 107,486

— Britney Daily Streams (@britneyonstream) June 15, 2021