Prince Harry has written a memoir called "Spare".

In it, he reveals that Prince William and Kate Middleton were thrilled about Meghan Markle's pregnancy.

The Duke of Sussex and Meghan told Prince William and Kate the news in St. George’s Hall.

The room had suits of armor on the walls.

Prince William was happy about the news and said they should tell Kate.

Kate also gave her congratulations and was happy for them.

Both Prince William and Kate reacted exactly how Prince Harry had hoped.

The news was shared in a strange room and a strange moment.

This story shows the warmth and support between the royal family members.