Prince William and Kate joined in Canada Day celebrations on Friday, distributing flags to 25 new citizens, as they embarked on Day Two of a nine-day jaunt through Canada on their first official overseas trip. The country’s 144th birthday celebration will include a concert and a speech by the prince later today.Who else is loving Kate’s Hat? It’s by Sylvia Fletcher at Lock and Company. The Duchess of Cambridge couples the ensemble with a Maple Leaf brooch borrowed from Queen Elizabeth II and a cream dress from Reiss Nannette dress, which sells for about $310 dollars.