Baby number two is on the way for British royals Prince William and wife Kate.<br/> <br />The prince's office made the announcement, but gave no details on when the baby is due.<br/> <br />The couple's first child, Prince George, was born last July, sparking a frenzy of excitement around the world.<br/> <br />The palace says the Queen "is delighted" by the news and British Prime Minister David Cameron Tweeted his congratulations to the Duke and Duchess of Cambridge as William and Kate are formally known.<br/> <br />But accompanying the happy news, a note of concern.<br/> <br />The prince's office says 32-year-old Kate is suffering from very acute morning sickness.<br/> <br />She was hospitalized with the condition in the early months of her first pregnancy.<br/> <br />Baby number two will be fourth-in-line to the British thrown, behind grandfather Charles, dad William and big brother George.
