The actress was a total princess bride in a frothy and ethereal Marchesa A-line dress with billowing sleeves and intricate lace bodice.
Some might say it borders on twee, but we're rather enchanted by the romantic feel of this look. Not to mention Naomi's glowing skin and soft updo!
We know she just plays a princess on the big screen, but we have a feeling she'd be right at home in Buckingham Palace!
[Image via AP Images.]