Kate Middleton and Prince William have finally announced today that they're expecting their first baby, after months of speculation and, as expected, celebs have taken to Twitter to congratulate the Royals on their exciting news.
In a statement on the couple's website, they said: "Their Royal Highnesses The Duke and Duchess of Cambridge are very pleased to announce that The Duchess of Cambridge is expecting a baby.
"The Queen, The Duke of Edinburgh, The Prince of Wales, The Duchess of Cornwall and Prince Harry and members of both families are delighted with the news.
"The Duchess was admitted this afternoon to King Edward VII Hospital in Central London with Hyperemesis Gravidarum.
"As the pregnancy is in its very early stages, Her Royal Highness is expected to stay in hospital for several days and will require a period of rest thereafter."
Celebs have taken to social networking site Twitter to congratulate the Royal couple, with messages ranging from the likes of David Cameron to Cheryl Cole all sending their well wishes. Check them out below!
David Cameron: "I'm delighted by the news that the Duke and Duchess of Cambridge are expecting a baby. They will make wonderful parents."
Piers Morgan: "Congratulations to every magazine editor for calling Kate Middleton's pregnancy - especially those who did covers on it 11 months ago."
Cheryl Cole:: "I'm sooooooo excited that we're having a royal baby !!!! Congratulations to Kate and Wills !!!!!!"
Vernon Kay: "Congrats Wills and Kate....Great news.The calpol is in the post."
Sally Bercow: "Genuinely impressed by Daily Fail for once - Kate's new fringe *did* actually mean she was pregnant!! Amazing."
Olly Murs: "Cool #royalbaby that's amazing news!! Dam it how comes they never mentioned it on the XTRA Factor last week haha."
Perez Hilton: "I can't help but think of Diana right now! *tears*."
Beverley Knight: "The frenzy and speculation begins, is our nation awaiting a little royal prince or princess? Congrats to Wills and Kate! Awwww! Xxxx"
Katherine Jenkins: "What lovely news!! Congratulations to the Duke & Duchess of Cambridge!! #PitterPatter."
Matthew Lewis: "Exciting news for the royal family and Great Britain. I think I'm more excited than I should be. Do we get a day off when HRH gives birth?"
Dawn Porter: "They'll probably call it Dawn."
Khloe Kardashian: "Congratulations to the Duke and Duchess of Cambridge!! A royal baby!!! :) awwww so sweet."
Phillip Schofield: "Well done @hollywills [Holly Willoughby] .. She guessed a week ago. Congratulations ... Kate Middleton: Duchess Of Cambridge Pregnant."
Rochelle Wiseman: "Ahhhh yayyy Kate Middleton is pregnant ♥congrats xx" David Walliams: "Congratuwelldone William and Kate. Very happy for you both. Dx"
Lord Sugar: "Congratulations The Duke and Duchess of Cambridge are very pleased to announce that they are expecting a baby."
A huge congratulations from everyone here at Entertainmentwise as well!