On Sunday, the royal shared a picture on Instagram of her baby boy sporting an adorable blue monster costume. In the image, her son can be seen playing with a stuffed toy minion. “ … wonder what they are talking about..,” she wrote alongside the sweet image of August.
Royal fans were quick to respond positively to the post, with many of them commenting how adorable August was in his tiny costume.
“Happy Halloween baby august,” wrote jillianbontuyan2.
thomas_pattie added: “Thanks for sharing.”
chefdrogalski said: “Omg super cute! Love from Canada.”
On her Instagram story the royal shared another photo of her son crawling around on the carpet with his costume.
The story was captioned saying: “At least my little Halloween monster is scary.”
Her brother-in law edomapellimozzi commented with a laughing emoji and love heart.
This year Princess Eugenie and Princess Beatrice both became mothers for the first time.
READ MORE: Queen sends heartwarming tribute to granddaughter Princess Eugenie
“Just as Eugenie has forged her own path in life, I am sure that she will also want to break away from some of the more old fashioned royal parenting techniques and traditions.”