For the biggest moment of her life, Kate Middleton (soon to be known as Princess Catherine) chose British design house Alexander McQueen for her wedding dress. The dress is hand-embroidered lace with a ivory duchesse satin skirt and wide train. She accessorized with a pearl tiara and lace-trimmed veil. Sarah Burton, the designer for Alexander McQueen, was spotted helping Kate into the car and primping her before her walk down the aisle. Click our slideshow to see all the pictures of beautiful bride Kate and her stunning dress!