Despite her 4th pregnancy, Kate Middleton fulfils royal duties.

Princess of Wales Kate Middleton returns to work in Windsor

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Reports suggest that she is pregnant with her fourth child

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

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The late Queen Elizabeth was also aware of the pregnancy

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Kate has returned to royal duties after spending time with family

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[{"selector":"#anim-638ebc93-e87a-4413-ad65-44f43921dc05 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(0%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-0440f52d-9d39-48cb-94d7-6c9dfdfa1a28","keyframes":{"opacity":[1,1]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-90b99465-8054-4627-8cd0-a81d346b6db8","keyframes":{"transform":["scale(3)","scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] Her last royal duty was on October 15

She received the Chief Executive of the Royal Foundation at Windsor Castle

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Kate and Prince William have three children together: Prince George, Princess Charlotte, and Prince Louis

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