Fed up with his manipulative girlfriend, Jenny Johnson (Uma Thurman), New Yorker Matt Saunders (Luke Wilson) gives her the heave-ho and moves on with his life, leaving the heartbroken Jenny -- aka G-girl -- to do everything within her superpowers to humiliate Matt. Anna Faris, Rainn Wilson and Eddie Izzard co-star in director Ivan Reitman's slapstick fantasy comedy about a bitter superwoman scorned.