KATE MIDDLETON!!!

The most widely anticipated pregnancy since Princess Diana's in 1981 is official: Prince William's wife, Kate, is pregnant.

St. James's Palace announced the pregnancy Monday, saying that the Duchess of Cambridge — formerly known as Kate Middleton — has a severe form of morning sickness and is currently in a London hospital. William is at his wife's side.

News of the pregnancy drew congratulations from across the world, with the hashtag "royalbaby" trending globally on Twitter.  Click here for more...