Arienne Thompson, USA TODAY
Soon after the palace confirmed the news that Prince William and Kate Middleton are expecting their first child, social media blew up, natch.
Twitter reports that the term "royal baby" saw a 377% increase in the past 24 hours.
Plus, "Kate Middleton" and "#Kate" were both trending Monday afternoon as famous well-wishers from all over the world took to the micro-blogging site to offer up their congratulations.
Here's a sampling of sweet -- and funny -- tweets for the little royal en fetu.
British Prime Minister David Cameron | @David_Cameron: I'm delighted by the news that the Duke and Duchess of Cambridge are expecting a baby. They will make wonderful parents.
Canadian Prime Minister Stephen Harper | @pmharper: Laureen and I congratulate the Duke and Duchess of Cambridge on their wonderful news #royalbaby
Piers Morgan | @piersmorgan: Any chance of the first interview @RoyalFoetus?
Cheryl Cole | @cherylcole: I'm sooooooo excited that we're having a royal baby !!!! Congratulations to Kate and Wills !!!!!!
Khloe Kardashian | @khloekardashianodom: Congratulations to the Duke and Duchess of Cambridge!! A royal baby!!! :) awwww so sweet
Christy Turlington | @CTurlington: It's official. Kate Middleton is pregnant. Confirmed on British TV just now that "she can resume her life as normal." @everymomcounts
Zach Braff | @zachbraff: Where does one buy a tiny crown and scepter these days? Amazon?
Damon Lindelof | @DamonLindelof: "KATE MIDDLETON'S UNBORN CHILD SHALL SAVE US FROM THE FISCAL CLIFF!!!" -- My Cardboard Sign Today
Richard Branson | @richardbranson: Congrats to Kate & Will on expecting your first child. The happiest day of your life to look forward to!
Ivanka Trump | @IvankaTrump: A royal baby is on the way for #KateMiddleton and Prince William! lovely! #royalbaby
Maria Shriver | @mariashriver: Wonderful news for Prince William & Kate Middleton. Kate has Hyperemesis. Had that with my last child. Not fun at all. Hang in there, Kate.