Royal weddings are huge events and, as such, every detail is meticulously planned out. At Princess Diana's wedding to Prince Charles in 1981, this included special attention that was paid to her footwear for the big day.

In his book Battle of Brothers: William and Harry – The Inside Story of a Family in Tumult, royal biographer and historian Robert Lacey describes the very special shoes that Diana wore for a very specific reason on her wedding day. In the book, Lacey writes: