Kate Middleton Supports Prince William at Garter Day Service Which She First Attended as His Girlfriend

Prince William and Princess Catherine are stepping out for the Garter Day Service! The 43-year-old Princess of Wales joined the 42-year-old Prince of Wales as they took part in the parade for the Order of the Garter Service on Monday (June 16) at Windsor Castle in London, England. The annual event is held to celebrate