What stage name is Beyoncé’s creative alter ego known by?

Beyoncé’s creative alter ego was known as Sasha Fierce.

She introduced the persona as a more confident, assertive performance identity associated with her 2008 double album I Am... Sasha Fierce. The album divided its material into two discs: I Am... emphasized more personal ballads, while Sasha Fierce focused on high-energy performance songs.

The idea helped Beyoncé describe the difference between her private self and the commanding character she inhabited onstage. Songs associated with the Sasha Fierce side include “Single Ladies (Put a Ring on It)” and “Diva.”

Beyoncé later said that she no longer needed the alter ego because she had grown comfortable embodying that confidence herself. Queen B is a popular nickname, but it is not the formal name of the persona connected with the 2008 album.