What is the title of Beyoncé's 2008 album featuring “Single Ladies”?

Beyoncé's 2008 album featuring “Single Ladies (Put a Ring on It)” is I Am... Sasha Fierce.

Columbia Records released the album on November 12, 2008. It was designed as a double album: the “I Am...” disc emphasized ballads and personal material, while the “Sasha Fierce” disc focused on more assertive dance and pop performances.

“Single Ladies (Put a Ring on It)” became one of the album's defining songs, helped by its sharply choreographed black-and-white music video. Other major tracks included “If I Were a Boy,” “Halo,” and “Sweet Dreams.”

The title refers to Sasha Fierce, a performance persona Beyoncé described as an alter ego. The album should not be confused with Beyoncé's self-titled 2013 album or the later album titled 4.