Spotify (04/28):

Blackout – 824,129
Circus – 705,341
In the Zone – 669,637
...Baby One More Time – 556,739
Oops!...I Did It Again – 548,285
Femme Fatale – 343,157
Britney – 232,627
Britney Jean – 165,567
Glory – 150,220

— Britney Daily Streams (@britneyonstream) April 29, 2021