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They've got an heir, and now they've got a spare on the way!

Kate Middleton and Prince William are expecting their second child, Kensington Palace announced in a statement today.

"Their Royal Highnesses The Duke and Duchess of Cambridge are very pleased to announce that The Duchess of Cambridge is expecting their second child. The Queen and members of both families are delighted with the news," the statement read. The pair became first time parents last year in July when they welcomed Prince George at St. Mary's Hospital in London.

During her first pregnancy, Kate suffered extreme morning sickness, and she is once again stricken with the condition this time around. "As with her first pregnancy, The Duchess is suffering from Hyperemesis Gravidarum. Her Royal Highness will no longer accompany The Duke of Cambridge on their planned engagement in Oxford today. The Duchess is being treated by doctors at Kensington Palace. She is at home being looked after by the surgeon gynecologist to the Queen, Alan Farthing, and the surgeon gynecologist to the royal household, Guy Thorpe-Beeston," the statement continued.

The 32-year-old is only approximately eight weeks along, but the couple chose to reveal the happy news early due to the fact her condition will most likely cause her to miss a string of public appearances.

We wouldn't be surprised if Kim Kardashian has a bun in the oven before too long just to keep up with Kate!