The couple were inundated with messages of congratulations from celebrities around the world.
Liam Payne tweeted: “Congratulations to the Duke and Duchess of Sussex on the birth of your baby boy. So happy for the both of you.” Vicky Pattison shared begged to see the newborn as she wrote: "Ok, I think I speak for the world when I say I’d like to see the baby now. THANKYOU. Huge, huge congratulations to Prince Harry and Meghan Markle on the birth of their son!!! I’m sure he’s perfect."
Prince Harry said he was ecstatic about the birth of their first child and promised that more details such as the baby's name will be shared in the coming days. The couple said earlier they weren't going to find out the baby's sex in advance.The infant is seventh in line to the British throne and Queen Elizabeth II's eighth great-grandchild. Harry is the younger son of Prince Charles, heir to the throne, and the late Princess Diana, who died in a Paris car crash in 1997.
Congratulations to the Duke and Duchess of Sussex on the birth of your baby boy. So happy for the both of you.