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The countdown to Royal Baby Number-Three isn't merely on...

... it's about to be over.

And a whole new chapter is about to begin.

Duchess and Prince

Kensington Palace has confirmed the exciting and suspenseful news that Kate Middleton is in labor with her and Prince William's third child.

We don't know exactly when he or she will be born, but women typically take less time to complete the process with each baby to whom they give birth.

So it could happen at any moment!

“Her Royal Highness The Duchess of Cambridge was admitted to St. Mary’s Hospital, Paddington, London earlier this morning in the early stages of labor,” the official Palace statement reads.

It also adds:

"The Duchess travelled by car from Kensington Palace to the Lindo Wing at St. Mary’s Hospital with The Duke of Cambridge."

From what we gather, Middleton was admitted just before 6 a.m. (U.K. time) to the same hospital where she gave birth to Prince George and Princess Charlotte.

Kate Middleton with a Smile

Usually, of course, a woman simply going into labor would not be cause us to write our own story about it.

Usually, we'd wait until the baby was actually here before we provided readers with a lengthy update.

But there's basically nothing usual about Kate Middleton, Prince William or their beautiful life together.

No couple on the planet generates as much interest -- and we're not sure if it's even close. (Beyonce and Jay Z, perhaps? Michelle and Barack Obama? Scott Disick and Sofia Richie?)

Neither Kate nor William has leaked the gender of their third kid, although William came pretty close this month.

According to the latest rumor, the superstars are about to welcome a boy named Thomas.

But, again, this is just a rumor right now.

Only Water, Please

Whichever gender is ends up being, and whatever he or she gets named, baby will be the fifth in line of succession after Prince Charles, William, George and Charlotte.

Prince Harry - currently sitting as fifth in line to the throne - will be bumped to sixth.

Kate and William announced in September that they were expecting their third child, being forced to do so a little earlier than they had originally planned because Middleton once again struggled with hyperemesis gravidarum.

This condition meant she had to deal with extreme bouts of morning sickness, which meant she had to cancel many public appearances... which means the couple had no choice but to let the world know why.

Married in April of 2011, Kate and her handsome man are also the parents of Prince George, 4, and Princess Charlotte, 2; both were also born at St. Mary’s Hospital, as mentioned above.

Hey, Kate and Will

The Duchess made her last public appearance in March, meeting British Paralympic athletes with Prince William.

She's since being laying low, missing out, for example, on a celebration of the Queen's 92nd birthday this past Sunday night.

But she has a pretty solid excuse, wouldn't you say?

Meanwhile, Pippa Middleton is also pregnant, according to the latest reports.

Such an exciting time for the family!

We'd like to send Kate and William a preemptive note of congratulations. Won't you join us in doing so?

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Kate Middleton Biography

Royally Pretty Girl
A celebrity gossip mainstay since at least 2006, Kate Middleton is Prince William's lady friend. These two dated off and on for many... More »
Reading, England
Full Name
Kate Middleton