Spotify (04/29):

Blackout – 831,735
Circus – 713,927
In the Zone – 683,004
...Baby One More Time – 574,905
Oops!...I Did It Again – 543,627
Femme Fatale – 344,353
Britney – 237,209
Britney Jean – 165,194
Glory – 150,075

— Britney Daily Streams (@britneyonstream) April 30, 2021