In case you were under a rock today: Kate Middleton gave birth to a baby boy this afternoon.

Even though the world (aka Twittersphere) is joining in on the celebration, Prince Charles made sure to let everyone know how "overjoyed" he is at the arrival of his first grandson. Clarence House released this statement today:

“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.”

The Duke and Duchess of Cornwall were out of town on an official visit to Yorkshire today when Kate went into labor at St Mary's Hospital. From the folks here at HuffPost, we send our congratulations to everyone in the royal family!

The baby's going to be a looker!

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  • Prince William, 1983

  • Savannah Phillips, May 2013

  • James Viscount Severn, son of Prince Edward and Sophie, Earl and Countess of Wessex, May 2013

  • Isla Phillips, May 2013

  • Princess Elisabeth of Belgium, May 2013

  • Eloise, Claus-Casimir and Leonore of The Netherlands, May 2013

  • Princess Ingrid Alexandra and Prince Sverre Magnus of Norway, May 2013

  • Prince Hisahito of Japan, March 2013

  • Princess Elisabeth and Prince Gabriel of Belgium, May 2013

  • Princesses Alexia, Catharina Amalia, and Ariane of The Netherlands, April 2013

  • Prince Harry, 1985

  • Crown Princess Catharina Amalia, Princess Ariane, and Princess Alexia of the Netherlands, May 2013

  • Lady Louise Windsor, May 2013

  • Princess Sofia and Princess Leonor of Spain, March 2013

  • Princess Diana, 1962

  • Princess Alexia of The Netherlands, April 2013

  • Princess Ariane of The Netherlands, April 2013

  • Princess Beatrice, 1988

  • Crown Princess Catharina Amalia, Princess Ariane, and Princess Alexia of the Netherlands, April 2013

  • Prince Andrew, 1960

  • Princess Eugenie, 1993

  • Prince Charles, 1949

  • Princess Anne, 1950

  • Princess Catharina-Amalia, Princess Alexia and Princess Ariane of The Netherlands, April 2013

  • Prince Philip, Duke of Edinburgh, 1922

  • Peter Phillips, 1977

  • Princess Sofia and Princess Leonor of Spain, February 2013

  • Zara Phillips, 1984

  • Prince Edward, 1965

  • Prince Harry, 1987

  • Prince William, Elder Son of the Duke of Gloucester, 1945

  • Lady Louise Windsor, 2013

  • Prince William, 1985

  • Prince William and Prince Harry, 1990

  • Prince Harry, 1994

  • Prince Harry and Prince William, 1989

  • Prince Harry, 1995

  • Prince Hisahito of Japan, November 2011

  • Kate Middleton Pregnant, Palace Confirms

    Kate Middleton is pregnant. Palace officials made the announcement Monday after the duchess was hospitalized for morning sickness.

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Speculation over the royal couple's choice of name has run wild in the time since the Duchess of Cambridge's pregnancy was announced, with Brits betting on front-runners with and without strong historical precedents.

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By choosing a polka-dotted dress for her hospital departure, Kate has inadvertently opened the flood gates to another wave of comparison to a woman she has never even met.

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Sin City has officially extended an offer for the royal baby to visit once he's of age. Do you think baby George's uncle, Prince Harry, will come along?

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Your sex life will never be the same. In my day. What, not breast-feeding?

From diet tips to "little baby, little problems," sleep-deprived and super-stressed new parents have heard it all. And they want you to stop it.

As Britain's Prince William and his wife, Kate, move along on their parenting journey, it seems even the queen has had a what-not-to-say moment. According to a special edition of Us magazine on raising royals, she exclaimed soon after William's birth: "Thank goodness he hasn't ears like his father!"

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All of a sudden, there's a lot more interest in Carole Middleton, the Duchess of Cambridge's 58-year-old mom and the only biological grandmother of the littlest future king of England.

With Kate and her mom extremely close, and the new parents both eager to live somewhat of a normal life, you can be sure Grannie Middleton will want to be very hands-on in her new royal role. Here's what you need to know about Carole.

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The Telegraph reports that the couple hasn't yet finished decorating a nursery because they are waiting for the completion of their new apartment within Kensington Palace. According to E! Online, this 20-room space, also known as Apartment 1A, will be ready for the growing family in August. Prior to the renovations, this vacant area was serving as an office and storage space.

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The royal baby is here! Now that we've seen him and his parents have said some sweet words about the birth, we're left wondering... what is his official title?

Until Will and Kate choose a first name, the royal baby will officially be titled as "HRH Prince of Cambridge." It makes sense, given that his father is titled "Prince William, Duke of Cambridge" and Kate is titled "Catherine, Duchess of Cambridge." In fact, the royal baby's title will be the first time "Prince of Cambridge" has been used in 194 years! Find out more about his royal title here.

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Kate Middleton gave birth to a son on Monday afternoon, but the Duke and Duchess of Cambridge have not yet made their baby name choice public -- and if precedent is any indication, it could be a week or even a month before their selection is announced.

On leaving the hospital with his wife and newborn on Tuesday, Prince William said the couple are "still working on a name," assuring an eager public, "We'll have that as soon as we can."

In the meantime, the baby name frenzy, that's been brewing since Kate's pregnancy was announced, is at its peak. Find out which royal name is the favorite!

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Baby nailed that wave. on Twitpic

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Preliminary thoughts upon “meeting” the Royal Baby for the first time:

He waves! Our first Royal wave.

Kate didn't fall down the steps while holding her son. I held my breath just in case. After all, she was wearing heels.

Kate made absolutely no attempt to appear like anything other than a woman who has just given birth. Okay, her hair looked better than most new mothers, but

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Kate Middleton and Prince William left St Mary's Hospital at 7:14 pm BST on July 23 with the royal baby boy in tow.

The duchess arrived at the hospital early in the morning on July 22 through a secret entrance. She gave birth to the 8-pound, 6-ounce baby at 4:24 p.m that day, more than a week after his rumored due date.

"I'll remind him of his tardiness when he's a bit older," Prince William joked to the press waiting outside the hospital. Kate stood beside Will holding her newborn son while wearing a bespoke blue dress by British designer, Jenny Packham. See photos here.

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Though he may never escape the glare of the limelight, we hope the newborn son of the Duke and Duchess of Cambridge will be comforted by his many blessings: a beautiful home, famous friends, thousands of adoring fans and… oh yes, a hefty billion dollar inheritance. Read more about it here.

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Miss Piggy and Kermit the Frog just became the latest heavyweights to congratulate Prince William and Kate Middleton on the birth of the royal baby.

Walt Disney Studios posted a video on Tuesday of Kermit and Miss Piggy on the set of the upcoming Muppets movie, "Muppets Most Wanted." Watch it here.

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When asked about the royal baby, the first-time grandmother said he's "absolutely beautiful."

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The majority of British residents would be comfortable if Prince William and the Duchess of Cambridge's firstborn child grew up to be gay, according to a new survey.

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Kate's mother and father, first-time grandparents, arrived at the Lindo Wing shortly after 3 pm on Tuesday.

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Within Will and Kate's first day as parents, revelers celebrate at Buckingham Palace, Westminster Abbey tolls bells and royal artilleries launch gun salutes. Australia has already dedicated a building to the royal baby.

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Queen Elizabeth's imminent vacation may speed an announcement along.

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Royal tots in Belgium, Tokyo and beyond just got a new playmate to join their exceptionally exclusive kids' club.

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Protection officers were spotted dropping off not one, but two pizza pies at the rear entrance of St Mary's Lindo Wing.

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The bells will ring from 2:00 pm - 5:00 pm in London. Watch and listen here.

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