Catherine, Duchess of Cambridge, pictured talking to Zara Tindall, wore Elie Saab to Royal Ascot 2019. Reuters
Duke of Cambridge, the Duchess of Cambridge, Queen Elizabeth II, the Duchess of Cornwall, King Willem-Alexander of the Netherlands and Queen Maxima of the Netherlands attend day one of Royal Ascot. PA
ASCOT, ENGLAND - JUNE 18: Catherine, Duchess of Cambridge and Camilla, Duchess of Cornwall arrive at Royal Ascot. Getty Images
Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge share a joke at the horse race. Getty Images
Catherine, Duchess of Cambridge accessorised with a Philip Treacy hat. Getty Images
The Duke and Duchess of Cambridge with Vice President and Prime Minister, Sheikh Mohammed bin Rashid. PA
Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge shelter from the rain. Getty Images
Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge speak to Queen Elizabeth II on day one of Royal Ascot. Getty Images
Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge at the races. Getty Images