As soon as news of the royal baby's arrival was announced, well wishes for the next in line for the throne began to pour in.
President Obama issued a statement to congratulate the new parents – who said they "could not be happier" following their son's Monday afternoon birth.
"Michelle and I are so pleased to congratulate The Duke and Duchess of Cambridge on the joyous occasion of the birth of their first child. We wish them all the happiness and blessings parenthood brings," the President said Monday. "The child enters the world at a time of promise and opportunity for our two nations. Given the special relationship between us, the American people are pleased to join with the people of the United Kingdom as they celebrate the birth of the young prince."