In Cape Town today, Queen Mathilde repeated a beige calot trimmed in overlapping crescents, all in abaca fibre. The slightly wobbly and bumpy finish lets the piece down for me.
Embed from Getty Images
On Thursday, Princess Hanako wore a striking variation of a top hat with tall navy crown, upturned cream brim and wide swath of cream net tulle.
On Thursday, Crown Prince Haakon and Crown Princess Mette-Marit visited Øvresetertjern for the 20th anniversary of the Norwegian Guide and Scout Association’s annual fundraising campaign. Cozy knitted winter hats were worn.
Lady Margarita Armstrong-Jones was photographed in a fashion editorial for Tatler magazine in a lilac feather covered hat by William Chambers.
The following new millinery designs caught my eye this week (see the comments for more):
We end this week with lovely spring blooms from the Buckingham Palace Garden.
Images from social media as indicated
Royal Hats 
I am intrigued by some of the more niche pieces here. The witch hat has absolutely beautiful straw (?) work. Sans point, a very attractive hat for many, and certainly appropriate for those celebrating Midsummer.
The bishop’s mitre has lovely detail. I wonder what ecclesiastical flourishes we might see at the upcoming coronation. I haven’t seen any pieces about how peers may be getting ready either. Any robes and caps from a previous coronation are likely in less than pristine condition, I suspect.
I could picture Lady Louise in the last hat for Easter.
These hats also caught my eye: