Princess of Asturias and King Felipe in several military uniform hats for the 40th anniversary of the Flag Oath of the 44th promotion of the General Military Academy in Zaragoza on May 4th.
On Thursday, Princess Kako donned a black silk covered bowler to pay tribute at Musashi Imperial Graveyard
Prince Edward wore a light fedora on Friday for the Duke of Edinburgh’s Gold Award presentations in the garden of Buckingham Palace.
Nicolae and Alina-Maria of Romania were named godparents at the baptism of Princess Marija, daughter of HRH Hereditary Prince Philip and HRH Princess Danica of Serbia. For the christening, Princess Danica wore a lilac embellished bandeau headpiece and Alina-Maria of Romania an emerald sinamay looped fascinator with feathers. There’s a great article about the christening on the Royal Family of Serbia website.
The Duke of Edinburgh donned a black bowler for the Combined Cavalry Old Comrades parade in Hyde Park today.
Images from Getty and social media as indicated
Royal Hats 
Prince Edward looks very spiffy in his hats. He wears them with pride and style.
He does have millinery panache, doesn’t he?!