To be fair, no one ever said she was nice. Known for her subversive, inflammatory performances, English recording artist Maya Arulpragasam, who goes by the stage name M.I.A., shocked everyone (and yet, no one) when she flipped America the bird right in the middle of NBC's live Super Bowl XLVI halftime show. Madonna, for one, was "not pleased," calling the stunt—which fell smack dab in the middle of her own set—a "teenager" thing to do. Against the wishes of some of her fans, M.I.A. issued a formal apology. Read: sorry not sorry.