Cate Blanchett does what's asked of her wonderfully well, but it's still a trick, just like Jude Law's fleeting turn as Errol Flynn, or Kate Beckinsale's game impersonation of Ava Gardner. (Game but pallid, beneath Ava's sensational clothes.) Leonardo DiCaprio brings an impressive set of skills to his role, but they're the wrong skills, because he's wrong for the part.
WSJ: A Flashy, Flawed 'Aviator'