But not all hats bring joy, right Your Majesty?
In 1996 as she stepped out on the Royal Yacht, Queen Elizabeth opted for a gorgeous yellow and blue turban-style piece, which perfectly set off her lemon-yellow blazer.
You can't go wrong with a snazzy pink creation and a hint of lime green on the head.
A close up look! Check out the incredible details on this guy, which she wore during an outing in London in 2002.
A hat, pearls, rep lippie and sunnies? It's only a look this fearless ruler could pull off.
A then-Princess Elizabeth opts for a very dashing hat and a polka-dot jacket combo back in 1947.
The over-sized red rose is a great choice!
The Queen doesn't always go big and bright. Here, she steps out in a very classic and understated piece during her royal visit of Canada in 2010.
The pleated dress! The white gloves! The brolley! And of course the pill box white hat! It's all so beautifully chic. The Queen works the crowds in Fiji, 1977.
We'd be excited too if we got to wear a hat with a peacock feather in it!
Fuchsia looks so good on the 91-year-old.
Princess Elizabeth dons a textured headpiece in 1947.
When hats have secret messages! The conspiracy theorists claimed this brightly-hued accessory, which she wore for the opening of parliament last month, was a cheeky nod to the EU flag.
Pretty in purple in 2012.
It was a red and white number made by Ian Thomas when she visited Berlin in 1987.
The Queen's preferred milliner is Rachel Trevor-Morgan.
Just this week, Her Majesty stunned in this floral ensemble.
We're green with envy over this outfit.
This fluffy creation gets our tick of approval.
Hats off to you!