Spotify (04/27):

Blackout – 816,259
Circus – 694,419
In the Zone – 658,368
Oops!...I Did It Again – 544,083
...Baby One More Time – 538,950
Femme Fatale – 342,695
Britney – 226,526
Britney Jean – 163,736
Glory – 154,821

— Britney Daily Streams (@britneyonstream) April 28, 2021