VIDEO : Celebrities Congratulate Kate & William On 3rd Baby

Celebrities everywhere congratulated Prince William and Duchess Kate on their third child!

Barack and I are thrilled to congratulate The Duke and Duchess of Cambridge on their newest arrival!
Michelle Obama

Congratulations to her Royal Highness the Duchess of Cambridge Kate and the Duke of Cambridge, Prince William on the birth of their baby boy!
Liam Payne

It?s a boy! Kate Middleton?s new baby is now 5th in line to the throne, and season 43 of ?The Crown. Congratulations to all!
Ellen DeGeneres

Chrissy Teigen and Sarah Silverman also congratulated the couple.