Riccardo Tisci, Anne Hathaway and Emily Blunt attended the ceremony on Saturday.
The mega e-tailer has a new wedding shop full of nuptial-centric fashion accessories and jewelry.
The 30-year-old is creative designer of Luisa Beccaria, her mother’s eponymous label.
Wintour’s daughter Bee Shaffer is engaged to Francesco Carrozzini, son of late Italian Vogue editor in chief Franca Sozzani.
For the first time, the company will host a trunk show for plus-size brides at Mark Ingram Atelier.