Throughout the history of provocative kid actor performances -- see Jodie Foster in 'Taxi Driver' or Natalie Portman in 'The Professional' -- no matter how high the praise or raucous the audience applause, there are always a few easily-offended types making noise about protests, appropriateness, etc.

The latest incendiary is young actress Chloë Moretz's scene-stealing portrayal of child vigilante/superhero Hit Girl in the violent, twisted and hilarious 'Kick-Ass.'