Kate Middleton and Prince William's dog Orla welcomed a litter of puppies, and it's possible that one will have a permanent home with the Prince and Princess of Wales.

Outside of royal events and engagements, the Prince and Princess of Wales’s life is incredibly private and the couple carefully consider what photos, videos and insights about their family they share.

Prince William just celebrated his 43rd birthday, and his wife, Kate Middleton, posted a sweet photo to mark the occasion for the British royal family. But fans quickly noticed something else in the picture that caught their attention.