Princess Eugenie's son August, three, joins adorable royal children heading to King Charles's pre-Christmas lunch - but dozes off in the car in his Santa hat

King Charles's pre-Christmas lunch is one of the most exciting royal events of the year, with a whopping 70 members of the extended family invited to take part. This year, several adorable royal children were among the attendees for King Charles's pre-Christmas lunch - but it was all too much for August, who dozed off in the car Princess Beatrice and Edoardo Mapelli Mozzi arrive at Buckingham Palace this afternoon, with Christopher 'Wolfie' Woolf, eight, who is Edoardo's son and Beatrice's stepson The royal baby will be a little brother or sister for the couple's three-year-old daughter Sienna, and eight-year-old Wolfie. Lord Frederick Windsor, Lady Frederick Windsor aka Sophie Winkleman and their daughter Isabella arrive for the pre-Christmas lunch at Buckingham Palace today Princess Eugenie arrives at Buckingham Palace today, with her son August asleep in the back Wearing a Santa hat, August had a quick nap before festivities at Buckingham Palace Edoardo Mapelli Mozzi and Princess Beatrice arrive at Buckingham Palace this afternoon Princess Beatrice and Edoardo Mapelli Mozzi arrive at Buckingham Palace this afternoon Princess Eugenie arrives for the King's pre-Christmas lunch at Buckingham Palace today King Charles III and his private secretary Sir Clive Alderton arrive at Buckingham Palace today Queen Camilla arrives for King Charles III's pre-Christmas lunch at Buckingham Palace today The Duke and Duchess of Edinburgh arrive for the lunch at Buckingham Palace this morning Four days later, William said during a visit to Picton Barracks in Wiltshire that he was looking forward to but 'not ready' for Christmas and would celebrate with 45 family members at Sandringham 'all in one room', although they are 'normally spread out'. Princess Anne and her husband Vice Admiral Sir Timothy Laurence arrive this afternoon Prince and Princess Michael of Kent at Buckingham Palace for the pre-Christmas lunch today Penelope Knatchbull, Countess Mountbatten of Burma arrives at Buckingham Palace today The Duke of Kent arrives for the pre-Christmas lunch at Buckingham Palace this afternoon Lady Sarah Chatto and her husband Daniel Chatto arrive at Buckingham Palace this afternoon Lady Marina Windsor Lady Amelia Windsor and the Earl of St Andrews arrive for the King's pre-Christmas lunch at Buckingham Palace today Timothy Taylor, Lady Helen Taylor and their daughters Estella and Eloise Taylor arrive for the King's pre-Christmas lunch at Buckingham Palace this afternoon Lord Downpatrick arrives for the King Charles III's lunch at Buckingham Palace today Christopher 'Wolfie' Woolf, eight, who is Edoardo's son and Beatrice's stepson, was Also arriving were Queen Camilla; Princess Anne and her husband Vice Admiral Sir Timothy Laurence; and Prince and Princess Michael of Kent. King Charles III arrives for his pre-Christmas lunch at Buckingham Palace this morning Lady Margarita Armstrong-Jones arrives for King Charles III's pre-Christmas lunch today Lady Sarah Chatto arrives for the pre-Christmas lunch at Buckingham Palace this afternoon Timothy Taylor and Lady Helen Taylor arrive for the King's pre-Christmas lunch at Buckingham Palace this afternoon The Duke and Duchess of Edinburgh arrive for the lunch at Buckingham Palace this morning Princess Anne arrives for the pre-Christmas lunch at Buckingham Palace this afternoon Penelope Knatchbull, Countess Mountbatten of Burma arrives at Buckingham Palace today Princess Eugenie and Jack Brooksbank arrive for the lunch at Buckingham Palace today Princess Beatrice arrives for the pre-Christmas lunch at Buckingham Palace this afternoon Lady Helen Taylor and her daughters Estella and Eloise Taylor arrive at the palace today The King is driven into Buckingham Palace this morning for his pre-Christmas lunch Queen Camilla arrives for King Charles III's pre-Christmas lunch at Buckingham Palace today Princess Eugenie and Jack Brooksbank arrive for the lunch at Buckingham Palace today Lady Frederick Windsor aka Sophie Winkleman arrives at Buckingham Palace this afternoon Prince and Princess Michael of Kent at Buckingham Palace for the pre-Christmas lunch today The Duchess of Edinburgh arrives for the King Charles III's lunch at Buckingham Palace today King Charles III arrives for his pre-Christmas lunch at Buckingham Palace this morning Princess Beatrice arrives for the pre-Christmas lunch at Buckingham Palace today The Earl of St Andrews and Lord Downpatrick arrive for the lunch today Lord Frederick Windsor, Lady Frederick Windsor aka Sophie Winkleman and their daughter Isabella arrive for the pre-Christmas lunch at Buckingham Palace today King Charles III and his private secretary Sir Clive Alderton arrive at Buckingham Palace today Queen Camilla arrives for King Charles III's pre-Christmas lunch at Buckingham Palace today The King is driven into Buckingham Palace this morning for his pre-Christmas lunch Lord Frederick Windsor and Sophie Winkleman arrive at Buckingham Palace today King Charles III arrives for his pre-Christmas lunch at Buckingham Palace this morning The Earl of St Andrews arrives for the King's pre-Christmas lunch at Buckingham Palace today He is also said to have entered St James's Palace and Windsor Castle at Andrew's invitation.