The much-anticipated arrival of Baby Sussex is finally here, and many celebs have already taken to social media to congratulate Prince Harry and Meghan Markle on their new addition to the royal family. Everyone from Michelle Obama to Liam Payne and even Ryan Seacrest have shared well wishes to the new parents. As this is such an exciting time, the Duke and Duchess of Sussex will surely be inundated by thousands of well wishes from friends, family and loyal fans too!
In the meantime, scroll through the gallery to see how some celebs are reacting to the birth of the new littlest royal.
Jessica Mulroney