It might have caused consternation back in Monaco but is being billed as an intimate snapshot of the marriage between Grace and Prince Ranier III, and the princess' struggles between her identity and obligations. And frankly, we're intrigued.
Kidman stars alongside Tim Roth and Frank Langella in a whirlwind of gowns, diamonds and sweeping landscapes. Get a first watch below.
Grace of Monaco will be released in cinemas 6 June.