Princess Eugenie is celebrating a huge milestone two days after stepping up for the Royal Family. The Princess of York turned 34 today, and is likely celebrating with her husband Jack Brooksbank and two sons, August, three, and nine-month-old Ernest. This celebration comes two days after Princess Eugenie stepped up for the Royal Family. The mother-of-two read to school children in Sloane Square, London, at Elephant Family’s Little Egg Hunt on Thursday. The egg hunt is an interactive large-scale scavenger hunt of 12 giant decorated eggs in aid of the Elephant Family Charity. Princess Eugenie, s…