Princess Astrid of Belgium in a white Stetson during her visit to Canada this week (Blog Real)

Infanta Elena enjoying a day of riding with her daughter Victoria (Svenskdam)

The largest exhibition of Queen Elizabeth’s outfits (150 in total) will go on display next year at Buckingham Palace as part of her 90th birthday celebrations (Telegraph)

Thanks to the help of some eagle eyed readers, we identified two more orange hats worn by Queen Elizabeth. Stay tuned first thing tomorrow when we look at the largest owner of orange royal hats (not surprisingly, a member of the House of Orange)

The Duchess of Cambridge dazzled at two formal events this week. Kate wore some spectacular earrings originally belonging to her mother and to the late Queen Mother  (Royal Order of Sartorial Splendor and The Court Jeweller)

For any Halloween enthusiasts- take a peek back at King Carl Gustaf and Queen Silvia’s 25th anniversary back in 2001 with Elizabethan dress code. It’s one of the few times we’ve actually seen royals in costume. (Royal Order of Sartorial Splendor)

And finally- Princess Leonore of Sweden wishes everyone a Happy Halloween. I think her royal antennae are a first here at Royal Hats! (Princess Madeleine of Sweden Facebook)