19.
Beyoncé’s on-stage alter ego introduced with this album.
20.
This era earned Beyoncé six Grammy wins in one night, a record at the time.
21.
“Single Ladies” topped this famous chart for multiple weeks.
22.
The iconic outfit from the “Single Ladies” music video.
23.
Barack and Michelle Obama cited “At Last” from this era as a favorite; Beyoncé sang it at their inaugural ball.
24.
This was Beyoncé’s first double-disc album, showing two sides of herself