Emma Roberts, who has something of her aunt Julia's guilelessness, plays her as a good-hearted innocent.

CNN: Review: 'Nancy Drew' true but slight

Emma Roberts (the niece of Julia, to whom, once she has curled her hair for a party scene, she bears a startling resemblance) stars as Nancy, the supersleuth without a vice in the world.

NEWYORKER: Nancy Drew

Has Hollywood found its new Julia Roberts or Reese Witherspoon in relative newcomer Emma Stone?

FORBES: Is The Help Star Emma Stone The Next Julia Roberts?