Kensington Palace today announced the due date of Kate Middleton: Let the countdown begin.“Their Royal Highnesses The Duke and Duchess of Cambridge are delighted to confirm they are expecting a baby in April 2015,” this morning’s statement from the royal office read. April will be a busy month. The couple will celebrate their fourth wedding anniversary on April 29 and Queen Elizabeth will turn 89 next April 21.The couple’s son, Prince George, born July 22, 2013 and will be 21 months old by then. The palace statement continued: “The Duchess of Cambridge continues to be affected by Hyperemesis Gravidarum, but her condition is steadily improving.”bellyitchblog.com+1 more Over 9 million people have enjoyed Bellyitch's Award-winning Celeb "bumpwatch" pregnancy and parenting blog. Trying to Conceive? Download our FREE Fertility 100 ebook. Hunting for Top Maternity or Kids Brands? Our Bellyitch 100 is the free resource for you. Baby Shower Shopping? Check out out Top Picks on Amazon or our Gift Guides.