This isn't the first time Queen Camilla has paired her moth brooch with a blue dress. Queen Camilla attended ... she wore a Christmassy dark green suit for the occasion. With today's event ...

The Queen Consort, 77, chose a pale blue vintage coat for the occasion complete with green tartan detailing on its collar. She paired the elegant ensemble with a thistle-patterned scarf ...

For the occasion, Queen Letizia paired her blue Hugo Boss suit with an ivory lavallière blouse. She wore the suit with an ornate gold pearl-topped headband, gold sunburst earrings, and a gold ring.

For her wedding dress ... Aquascutum blue, to Angela Merkel and Theresa May, you can see the properties of the power suit in the soft feminine tailoring, and the influence of the Queen’s style ...