Everyone's had a painful parting of the ways with a romantic partner. We pick up the pieces and move on. But for one new york guy, it's not going to be so easy. When he breaks up with his girlfriend, he discovers his ex is actually the reluctant superhero, g-Girl. A scorned woman, she unleashes her super powers to humiliate and torment him. My super ex-Girlfriend stars uma thurman as jenny johnson, aka g-Girl and luke wilson as matt saunders, her beleaguered boyfriend. Anna faris is hannah, matt's co-Worker. Rainn wilson is vaughn, matt's best friend and eddie izzard is professor bedlam, g-Girl's arch nemesis.