A number of Hollywood celebs have taken to Twitter to congratulate Prince William and Kate Middleton on the birth of their baby boy, and now the new parents have also received well wishes straight from the White House.
President Barack Obama and first lady Michelle released a congratulatory statement to the Prince of Cambridge's mum and pop.
"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," it read.
"We wish them all the happiness and blessings parenthood brings. 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."
William released a brief but loving statement following the birth of his son, telling the world, "We could not be happier."
Meanwhile, new grandpa Prince Charles said, "Both my wife and I are overjoyed at the arrival of my first grandchild. It is an incredibly special moment for William and Catherine and we are so thrilled for them on the birth of their baby boy.
"Grandparenthood is a unique moment in anyone's life, as countless kind people have told me in recent months, so I am enormously proud and happy to be a grandfather for the first time and we are eagerly looking forward to seeing the baby in the near future."
Middleton gave birth to the couple's first child together today at St. Mary's Hospital in London.
A royal aide announced the good news with a proclamation signed by the doctors who delivered the wee HRH Prince of Cambridge.
"Her Royal Highness The Duchess of Cambridge was safely delivered of a son at 4.24 p.m. The baby weighs 8 pounds 6 ounces," the official placard read. "Her Royal Highness and her child are both doing well."
Both Will and Kate will be staying at the hospital overnight.
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