Kate Middleton Pregnant: Hollywood Reacts to the Baby News (VIDEO)

Tinseltown is buzzing with the news that a royal baby is on the way!

As announced on Monday, Kate Middleton and Prince William are expecting their first child together.

“Their Royal Highnesses The Duke and Duchess of Cambridge are very pleased to announce that The Duchess of Cambridge is expecting a baby,” the palace said in a statement. “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,” the statement continued, noting Middleton’s bout with an acute morning sickness. “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.”

Celebrities are sending their love to the happy couple. See their reactions:

Katie Couric: “Mazel! Mazel!!”

Piers Morgan: “Congratulations to every magazine editor for calling Kate Middleton’s pregnancy – especially those who did covers on it 11 months ago.”

“Huge day for gender equality. If this royal baby’s a girl, she will automatically inherit the Throne. Always been 1st born son before.”

“Hearing rumours William & Kate are considering ‘Piers’ as name for their child. Humbling. #royalbaby”

Khloe Kardashian Odom: “Congratulations to the Duke and Duchess of Cambridge!! A royal baby!!! :) awwww so sweet”

Kim Kardashian: “Awww so cute! Congrats!!! RT @KhloeKardashian: Congratulations to the Duke and Duchess of Cambridge!! A royal baby!!! :) awwww so sweet”

Kylie Jenner: “Excited for the royal baby ☺”

Ivanka Trump: “A royal baby is on the way for #KateMiddleton and Prince William! lovely! #royalbaby”

Maria Shriver: “Wonderful news for Prince William & Kate Middleton. Kate has Hyperemesis. Had that with my last child. Not fun at all. Hang in there, Kate.”

Zach Braff: “UK, congrats on your royal baby. I think I saw some pictures of the day of conception.”

Cheryl Cole: “I’m sooooooo excited that we’re having a royal baby !!!! Congratulations to Kate and Wills !!!!!!”

Brooklyn Decker: “I hope Royal Baby and Blue Ivy Carter become best friends.”

Ryan Seacrest: “Will & Kate +1.”

Christine Teigen: “AWWWW DUCHESS KATE AWWWWWWW SERIOUS AWWWWWWWW I’m not joking I’m seriously happy ew wtf”

Olly Murs: “ool #royalbaby that’s amazing news!! Dam it how comes they never mentioned it on the XTRA Factor last week haha”

Prime minister David Cameron: “I’m delighted by the news that the Duke and Duchess of Cambridge are expecting a baby.”

What do you think about the royal baby news? Weigh in below.