- Judith Butler's theory of gender performativity argues that gender is not a stable identity, but something that is constantly created and reinforced through our performances of gender roles (1 sentence). - Butler asserts that gender is a fluid variable that shifts depending on context, rather than a fixed attribute, and that there is no gender identity behind expressions of gender - identity is performatively constituted through expressions of gender (1 sentence). - Evidence that supports Butler's theory includes examples of representations that reinforce repetitive gender performances as well as news that challenges or "queers" typical gender norms (1 sentence).