PORTSMOUTH, ENGLAND - JULY 26: Catherine, Duchess of Cambridge, shoe detail, Royal Patron of the 1851 Trust attends the America's Cup World Series on July 26, 2015 in Portsmouth, England. (Photo by Karwai Tang/WireImage)
PORTSMOUTH, ENGLAND - JULY 26: Catherine, Duchess of Cambridge, shoe detail, Royal Patron of the 1851 Trust attends the America's Cup World Series on July 26, 2015 in Portsmouth, England. (Photo by Karwai Tang/WireImage)