The Duke and Duchess of Cambridge announced the news in a statement through Kensington Palace.
The couple arrived at St. Mary's Hospital early Monday morning.
The Duchess of Cambridge is expecting her third child with Prince William.
The Middleton family has lots to celebrate!
The 34-year-old sister of Kate Middleton is reported to be expecting her first child with husband James Matthews.
The 'Suits' star seems to be taking a page out of Kate Middleton's style book!
ET breaks down all the latest updates from the couple ahead of their May 19 nuptials!
The Duke of Cambridge stepped out for Commonwealth Heads of Government Meeting events on Tuesday.
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Take a look these royals who broke with custom and married outside of their titled rank.
On Monday, workers started putting up media barricades on the street outside the Lindo Wing of St. Mary's Hospital in London, where Kate is scheduled to give birth.
A flurry of action at St Mary's Hospital in London has sparked talk that the next royal baby is almost here!
