The phrase "girl power" is used as a term of empowerment, independence, and self-sureness. Girl power expressed a cultural phenomenon of the 1990s and early 2000s. It is also linked to third-wave feminism. The term was made popular by the Spice Girls in the mid-to-late 1990s. Being that many people believe that it's a women only movement, men can also become advocates for girl power.