Kate Middleton and Prince William are expecting baby no. 3!

And baby makes five!

Prince William and Duchess Catherine are expecting their third child.

The parents to Prince George, four, and two-year-old Princess Charlotte, are set to expand their family further next year, Kensington Palace have announced.

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A statement from Kensington Palace read: ”Their Royal Highnesses the Duke and Duchess of Cambridge are very pleased to announce that the Duchess of Cambridge is expecting their third child.

”The Queen and both their families are delighted with the news.”

Catherine is once again suffering from Hyperemesis Gravidarum – a debilitating form of serious morning sickness, and as a result, she has canceled a planned official engagement in London on Monday (04.09.17).

The statement concluded: ”As with her previous two pregnancies, the Duchess is suffering from Hyperemisis Gravidarum. Her Royal Highness will no longer carry out her planned engagement at the Hornsey Road Children’s Centre in London today. The Duchess is being cared for at Kensington Palace.”

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Kate is understood to be less than three months pregnant – the palace made the announcement early because of her illness. Last time, when she was pregnant with Princess Charlotte, Kate was also cared for at home at Apartment 1A of the palace.

During an appearance Monday, Prince Harry told reporters the news is” “fantastic, great. Very, very happy for them.” Asked about Kate he added, “I haven’t seen her for a while but I think I she’s okay.”

The announcement comes in a landmark week for the family. On Thursday, she and Prince William are set to take Prince George to school for his first day at Thomas’s Battersea.

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