On Monday, April 23rd, the Duke and the Duchess of Cambridge took to the stairs of the Lindo Wing at St Mary's Hospital in Paddington, London to officially introduce the world to their third child.
The couple's short-lived appearance came just seven hours after the birth of their precious new bundle of joy.
Despite having just given birth, Duchess Catherine looked flawless in a red dress with a white collar (strikingly similar to the dress Princess Diana wore after giving birth to Prince Harry) by Jenny Packham. Her go-to stylist, Natasha Archer, was presumably behind the ensemble as she was spotted leaving the prestigious hospital just one hour before the royal gave birth.
The beloved royal pulled the look together with a pair of nude pumps (yep, just hours after birth!), her trademark blow-dry and natural makeup.
Meanwhile, the new royal baby was swaddled in a cream blanket and matching knitted hat -- both of which will no doubt sell out in a matter of minutes once the designer is revealed. He appeared calm as he was presented to the waiting media and crowds of well-wishers who had gathered outside the hospital to catch a glimpse of the historic moment.
The royal couple then disappeared into the hospital where they quickly transferred the world's tiniest royal into a car seat. They then reemerged and walked toward a waiting vehicle before making their way back to their home at Kensington Palace.
William, 35, said the couple was "very happy, delighted" as he fit the baby carrier into the car.
Holding up three fingers, he said, "thrice worry now," adding, "We didn't keep you waiting too long."
And when asked about the name he said, "You'll find out soon enough."
Kensington Palace first confirmed the 36-year-old royal was in labour Twitter at 08:23am in the morning, London time via Twitter in a statement which read: "Her Royal Highness The Duchess of Cambridge was admitted to St. Mary's Hospital, Paddington, London earlier this morning in the early stages of labour."
"The Duchess travelled by car from Kensington Palace to the Lindo Wing at St. Mary's Hospital with The Duke of Cambridge."
Later, the Palace added, "Their Royal Highnesses would like to thank all staff at the hospital for the care and treatment they have received. They would also like to thank everyone for their warm wishes."
Royals, fans and celebrities have been quick to share their congratulations to Prince William and Duchess Catherine for their new son.
Kensington Palace shared, "The Queen, The Duke of Edinburgh, The Prince of Wales, The Duchess of Cornwall, Prince Harry and members of both families have been informed and are delighted with the news."
The name of the third child has not yet been announced, however oddsmakers have Arthur as the favourite for the royal tot. Albert, James, Philip, Jack, Thomas, Edward and Alexander are also popular choices.
WATCH: Prince William opens up about Duchess Catherine's third pregnancy. Post continues…
Kate and William's third child will now be the fifth in line to the British Throne, bumping Uncle Harry to number six.
The arrival of Prince William and Duchess Catherine's third child marks a huge break with tradition for the Royal Family.
The Cambridges are the first senior royal couple since The Queen and Prince Philip to not have two children, with Prince Charles, Princess Anne, Prince Andrew and Prince Edward all having two kids.
Earlier in the day, Prince George and Princess Charlotte were spotted as they dropped by the hospital to meet their new little sibling for the very first time and check-in on their mummy.
Big brother George appeared somewhat overwhelmed by the crowds and chose to stay close to his dad. The four-year-old was dressed in his school uniform made up of a navy V-neck jumper, a blue shirt, knee-length shorts and shiny black shoes.
Meanwhile, Charlotte -- who will turn three next month -- appeared confident as she trotted toward the hospital even stopping to glance back and wave at the enthusiastic crowds of well-wishers who gathered outside the hospital, anxiously awaiting a glimpse at the newborn.
She was princess perfection in a blue floral dress, navy cardigan and perfectly-coordinated leather buckle shoes.
The youngsters stayed for around twenty minutes before heading home via the hospital's back entrance.
A huge congratulations to Prince William and Duchess Catherine on their beautiful baby!
Now to Love will be bringing you full coverage of the Royal Baby, live as it happens!
Want more on the Royal Baby? Listen to the latest podcast of Woman's Day Uncensored where the team dissect everything from Kate Middleton's super-speedy delivery, to her tribute to Diana and of course, what the new prince might be named!