The King and Queen will attend Derby Day at Epsom Downs on June 6 - the same day as Peter Phillips' wedding to his NHS nurse fiancée Harriet Sperling.

The ceremony is being described as an 'intimate family affair' in contrast to other major royal weddings with the couple forgoing traditional elements like a carriage procession.

Peter Phillips is set to marry NHS nurse Harriet Sperling in an 'intimate' Cotswolds ceremony - with King Charles, Queen Camilla and many senior royals expected to attend