For the occasion, Fanning wore a custom white couture dress from Givenchy. Designed by Sarah Burton, the dress is made in French Lyon lace and silk tulle with a molded corset and Watteau caped back.

“It is a great honor to be joining the beautiful house of Givenchy, it is a jewel,” Burton ... Burton also designed Kate’s maid of honour’s dress, worn by her sister, Pippa Middleton ...

Still very beautiful. That compact dress is camp – I live ... But it’s great to have such an experienced tailor at the helm ...