If you didn't know that Lily James was playing Cinderella in Disney's live-action version of the well-worn classic, you certainly do now after seeing the princess-worthy, Elie Saab Couture gown (complete with a clock purse and see-through heels) that she wore to the premiere.

Let's take a look from a few more angles, shall we?


And here she is with Prince Charming, Robb Stark:


Images via Getty.

Contact the author at madeleine@jezebel.com.