It's a prince! Duchess Kate, 31, gave birth on Monday, July 22, 2013 to a baby boy named George, who weighed in at 8 pounds, 6 ounces. Check out how the world celebrated the new royal heir:
People sit outside a pub celebrating the royal baby birth in London on July 24, 2013.
Swiss tourists sign a giant card congratulating Prince William and Duches Kate on the birth of their baby boy outside the TCL Chinese Theatre in Hollywood, California, on July 23, 2013.
Tourists from around the world gather in front of Buckingham Palace to take a look at an easel announcing the royal baby birth which stands at the forecourt of Buckingham Palace in London on July 23, 2013.
A barman displays a pint of a celebratory ale for sale in a pub to mark the royal baby birth, on July 23, 2013 in London, England.
Prince William and Duchess Kate appear with their newborn baby son outside the Lindo Wing of St. Mary's Hospital in London on July 23, 2013. Kate gave birth to the couple's first child, who is third in line to the British throne, on Monday afternoon, ending weeks of feverish anticipation about the arrival of the royal baby.
New parents Prince William and Duchess Kate depart with their newborn baby boy, outside St. Mary's hospital.
Royal well-wishers await the departure of the royal couple and their new baby outside the Lindo Wing of St. Mary's hospital in London.
Men wearing matching Union flags blazers wait to see Duchess Kate and Prince William outside of St. Mary's hospital on July 23, 2013 in London.
Tourists ride a camel past a sand sculpture created by sand artist Sudarshan Pattnaik to celebrate the birth of the Prince of Cambridge.
The King's Troop Royal Horse Artillery fire a 41-gun salute to mark the birth of the royal baby in Green Park in central London on July 23.
The Golden Jubilee bridges and the London Eye are illuminated in celebration of the birth of a baby boy for William and Kate, in London on July 22, 2013.
The ship's company of the Royal Navy frigate HMS Lancaster forms the word "BOY" on the deck to mark the birth of Britain's new prince while on patrol in the Caribbean.
Tower Bridge is lit up in blue at night on July 23, 2013 to celebrate the royal baby birth.
The Horseshoe Falls in Niagara Falls, Canada, are illuminated blue to celebrate the birth of the royal baby boy. The Falls were first illuminated in 1860 to celebrate a royal visit by Albert Edward, the Prince of Wales, who later became King Edward VII.
Students of Buckleberry Church of England Primary School draw congratulatory cards for the Duke and Duchess of Cambridge in Duchess Kate's hometown of Bucklebury, on July 23, 2013.
Employees Hayley Simmonds and Amy Bush hang a sign celebrating the news that Britain's Duchess of Cambridge has given birth to a son in the window of the British-themed restaurant Tea & Sympathy in New York.
Members of the public react as they hear the news of the royal baby birth outside St. Mary's Hospital on July 22, 2013 in London, England.
Self-proclaimed "town crier" Tony Appleton celebrates among the crowd outside St. Mary's hospital on July 22, 2013.
The public celebrates the announcement of the birth of a baby boy to the Duke and Duchess of Cambridge outside St. Mary's Hospital on July 22, 2013 in London, England.
People take pictures outside St. Mary's hospital on July 22, 2013.
Large crowds wait and cheer outside of Buckingham Palace.
A crowd of people take photos of the easel that officially announced the birth of the royal baby on July 22, 2013 in London, England.
Karen Milne from Scotland wears a Duchess Kate mask as she and her friends celebrate the royal birth announcement at Ye Olde King's Head English Pub on July 22, 2013 in Santa Monica, Calif.
People celebrate the royal baby birth with British flags in front of St. Mary's Hospital.
A woman swims in the fountains at Trafalgar Square which are lit to signify the birth of a royal baby boy in London.
A baby announcement card and flags adorn the gift shop of Ye Olde King's Head English pub to celebrate the announcement of the birth of Will and Kate's first child, July 22, 2013 in Santa Monica, Calif.