The Princess of Wales, Kate Middleton, has returned to work in Windsor with a surprise.

Reports suggest that she is pregnant with her fourth child, which has delighted the Royal family and fans alike.

Kate and Prince William have already informed King Charles about the good news.

The late Queen Elizabeth was also aware of the pregnancy, which makes it even more special.

After spending time with family, Kate has returned to her royal duties, and her last duty was on October 15.

She received the Chief Executive of the Royal Foundation at Windsor Castle, where she is a patron of the foundation.

Kate and Prince William already have three children, Prince George, Princess Charlotte, and Prince Louis.

Fans are excited to see the new addition to the royal family and cannot wait to hear more about the pregnancy.

This news has come as a surprise, and it has left many people in awe of the royal couple's joyous announcement.