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Archie in arms - Here's a close-up of Archie as a newborn!

© Getty Images

Prince Harry and Meghan Markle -

Prince Harry and Meghan Markle revealed their newborn baby to the world on May 8, 2019, two days after he was born.

© Getty Images

Catching some polo - A few months later in Wokingham, England, the family attended the King Power Royal Charity Polo Day event together.

© Getty Images

A happy family -

During a visit with the Archbishop and his daughter Thandeka Tutu-Gxashe in Cape Town in September 2019, Meghan Markle seemed at her happiest, while Prince Harry looked fondly at his son.

© Getty Images

Archie meets the Arch - Renowned worldwide, even Archbishop Desmond Tutu couldn't resist playing with the adorable Archie! The little royal has remained mostly out of the public eye since his parents stepped down as senior royals in 2020 and moved to North America. 

© Getty Images

Together at Christmas -

The Prince and Princess of Wales' took their two eldest children, Prince George and Princess Charlotte, along to the "Together at Christmas" carol service at Westminster Abbey. They looked adorable in their winter outfits, each of them matching one of their parents.

© Getty Images 

Platinum Pageant -

Prince Louis pulls one of his trademark faces at the Platinum Pageant while his mother looks on in amusement! 

© Getty Images

Trooping the Colours -

George, Charlotte, and little Louis all pulled funny faces from the Buckingham Palace balcony as they watched the annual Trooping the Colours ceremony in June 2022. 

© Getty Images

Prince Louis turns 3 -

Taken during the week of his birthday (April 23) in 2021 by his mom, this photo was snapped before Louis headed for his first day of nursery.

© Kate Middleton/@KensingtonRoyal

Prince Louis, Princess Charlotte, and Prince George -

The royal siblings attended a special pantomime performance of The National Lottery's 'Pantoland' at London's Palladium Theatre on December 11, 2020, where their parents thanked key workers for their efforts throughout the pandemic.

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Prince Louis' second birthday -

The royal family appeared on April 23, 2020, to clap for NHS carers as part of the BBC Children In Need and Comic Relief 'Big Night In' broadcast. 

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Staredown -

At this Christmas Day church service in 2019, the princess proved she'll pose however she very well chooses!

© Getty Images

Active angel -

Had she grown up with the Spice Girls, Princess Charlotte's favorite may very well have been Sporty Spice!

© Getty Images

Air of excitement -

Right beside big brother George during the Trooping the Colour ceremony in 2019.

© Getty Images

Always a hoot -

Right before the ceremony she could be seen inside, this time beside little brother Louis, pulling off silly faces for the cameras. Typical Charlotte!

© Getty Images

Keeping it cool -

So young, yet already rocking those shades like nobody's business! Mom can only watch on proudly.

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Princess Charlotte's first day of school - Before starting her first day of school, Princess Charlotte looked a bit unsure about the whole situation, sticking close by her mom before meeting the head of the lower school.

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Prince George wasn't feeling it - While Princess Charlotte had a nervous, giddy smile, Prince George didn't seem to share the same enthusiasm on his first day back to school.

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Mom and daughter - In this image, Kate Middleton seems to be chastising Charlotte for having her tongue out. But we can't be sure, considering that earlier the duchess was herself joining in on the fun antics.

© Getty Images

Princess Charlotte - Now, let's get better acquainted with Archie's royal cousins, starting with Princess Charlotte.

© Getty Images

Princess Charlotte - The princess was born at St Mary's Hospital in London in 2015.

© Getty Images

Princess Charlotte - Charlotte is third in line to the throne, and is officially titled Her Royal Highness Princess Charlotte of Wales.

© Getty Images

Prince Louis - Prince Louis poses at Sandringham House in Norfolk, England.

© Reuters 

Prince Louis - Louis smiles at the sky during a photoshoot at Sandringham.

© Reuters 

Prince Louis - Louis looks pretty happy while exploring his natural surroundings.

© Reuters 

Prince Louis' christening -

The family leaves the Chapel Royal at St James's Palace in London after Prince Louis' christening in 2018.

© Reuters 

Tongues out! -

Princess Charlotte sticks out her tongue (no surprise now!) while on the way to Prince Harry and Meghan Markle's wedding.

© Reuters

Suited up -

Prince George steps out for Harry and Markle's fairytale wedding.

© Reuters

Wedding outfits -

The boys and girls match in these gorgeous white and black outfits, again at Harry and Meghan's wedding.

© Reuters

Meeting their sibling -

George and Charlotte on the way to see newborn Prince Louis at St Mary's Hospital in London.

© Reuters

Meeting their sibling - Any minute now!

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Prince Louis - Prince Louis shows his face to the world.

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Prince Louis - Prince Louis held by his mother.

© Reuters

Teary eyed -

Princess Charlotte looks teary eyed before boarding a plane in Germany.

© Reuters

Walking the runway - The royal family walk along an airfield in Germany.

© Reuters

Shy -

Prince George looks pretty shy during an appearance in Berlin.

© Reuters

Dressed up for auntie's wedding -

Charlotte and George wear matching outfits at the wedding of Pippa Middleton and James Matthews in 2017.

© Reuters

Christmas outfits -

The family get ready for the Christmas Day service at St Mark's Church in Englefield, England.

© Reuters

Boarding for departure -

The family wave at the cameras before boarding a flight to Canada.

© Reuters

Furry friend - Princess Charlotte meets a rabbit at Government House in Victoria, Canada.

© Reuters

Ready to party -

The awesome foursome join a children's party in Victoria, Canada.

© Reuters

Ballooning - Charlotte plays around with balloons at the children's party.

© Reuters

Bubble -

Prince George and his mom look amazed by the bubbles.

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More furry friends -

Princess Charlotte pets another furry friend at the children's party.

© Reuters

Back on the runway -

Prince George holds his mom's hand at Victoria Airport in Canada.

© Reuters

Running away - George runs away from his dad at RAF Fairford in Gloucestershire, England.

© Reuters

Not plane-ing around -

William lifts George out of a Red Arrows plane at RAF Fairford.

© Reuters

Is it a bird? -

It's eyes to the sky at the annual Trooping the Colour ceremony in 2016.

© Reuters

George and Charlotte -

Prince George looks at his sister, Charlotte, in her pram at Sandringham in 2015.

© Reuters

George and Charlotte -

George and Charlotte have never looked cuter. 

© Reuters

Waving to the cameras - William and George go to see newborn Charlotte in 2015.

© Reuters

Exploring the museum -

George explores the Natural History Museum with his parents.

© Reuters

Feeling grumpy -

George looks a little grumpy before boarding a plane to Canada.

© Reuters

Hair raiser -

Prince George touches his mom's hair at Government House in Wellington, New Zealand.

© Reuters

Playing around -

Prince George plays around at Sydney's Taronga Zoo in 2014.

© Reuters

Christening -

Prince George doesn't know what to think after his christening at St James's Palace in 2013.

See also: The British royal family's Christmas traditions

© Reuters