Fellow dog lovers King Charles and Queen Camilla missed out on an opportunity to share their own new pets for the holiday. In February, The Queen revealed she had adopted a dog named Moley, and The King welcomed a new puppy named Snuff to their family this winter.

Prince William faces a major dilemma as Aston Villa's Champions League clash falls on the same day as Princess Kate's younger brother's birthday. James Middleton will celebrate his 38th birthday on Tuesday.

Kate Middleton and Prince William marked National Pet Day with a surprise picture of their dog, Orla, while Sarah Ferguson shared photos of Queen Elizabeth's corgis to mark the occasion.