01of 36Princess Charlotte.Stuart C. Wilson/Getty ImagesOn Saturday morning,Princess Charlotte, 8, peeked out of her car en route to Westminster Abbey for the coronation of her grandfather, King Charles III.
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Princess Charlotte.Stuart C. Wilson/Getty Images

On Saturday morning,Princess Charlotte, 8, peeked out of her car en route to Westminster Abbey for the coronation of her grandfather, King Charles III.
02of 36Prince Louis.Stuart C. Wilson/GettyHer little brother,Prince Louis, 5, gave a look while making his way inside.
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Prince Louis.Stuart C. Wilson/Getty

Her little brother,Prince Louis, 5, gave a look while making his way inside.
03of 36Kate Middleton, Prince William, Princess Charlotte and Prince Louis.David Fisher/ShutterstockThe pair followed their mom and dad,Kate MiddletonandPrince William, into the church.
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Kate Middleton, Prince William, Princess Charlotte and Prince Louis.David Fisher/Shutterstock

The pair followed their mom and dad,Kate MiddletonandPrince William, into the church.
04of 36ANDREW MILLIGAN/AFP via GettyThe younger royals made an adorable entry.
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ANDREW MILLIGAN/AFP via Getty

The younger royals made an adorable entry.
05of 36DAN CHARITY/POOL/AFP via Getty ImagesThe cameras caught their eyes, too!
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DAN CHARITY/POOL/AFP via Getty Images

The cameras caught their eyes, too!
06of 36Princess Charlotte and Prince Louis.Dan Charity - WPA Pool/GettyCharlotte guided Louis into the Abbey.
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Princess Charlotte and Prince Louis.Dan Charity - WPA Pool/Getty

Charlotte guided Louis into the Abbey.
07of 36ODD ANDERSEN/AFP via GettyIt was a long day for Louis! The little prince soldiered through the festivities though not without some signature cheeky facial expressions.
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ODD ANDERSEN/AFP via Getty

It was a long day for Louis! The little prince soldiered through the festivities though not without some signature cheeky facial expressions.
08of 36Phil Noble - WPA Pool/GettyInside, Charlotte was sure to hold tight to her little bro’s hand.
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Phil Noble - WPA Pool/Getty

Inside, Charlotte was sure to hold tight to her little bro’s hand.
09of 36Getty (2)Charlottewore a headpiece reflective of her mother’s. Instead of a tiara, Kate opted for a Jess Collett x Alexander McQueen headband with silver bullion, crystal and silver thread work three-dimensional leaf embroidery.
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Getty (2)

Charlottewore a headpiece reflective of her mother’s. Instead of a tiara, Kate opted for a Jess Collett x Alexander McQueen headband with silver bullion, crystal and silver thread work three-dimensional leaf embroidery.
10of 36Getty; ShutterstockThe pair sported similar updos, too!
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Getty; Shutterstock

The pair sported similar updos, too!
11of 36Jacob King/PA Images via Getty ImagesMeanwhile,Prince Georgehad a special role in Saturday’s ceremony, as aPage of Honor.
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Jacob King/PA Images via Getty Images

Meanwhile,Prince Georgehad a special role in Saturday’s ceremony, as aPage of Honor.
12of 36Prince George and King Charles.David Fisher/ShutterstockPrince George’s coronation participation marks the first time inmodern royal historythat a future monarch is officially involved in such a service. According toThe Telegraph, George becomes the youngest future king to play an official role in a crowning ceremony.
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Prince George and King Charles.David Fisher/Shutterstock

Prince George’s coronation participation marks the first time inmodern royal historythat a future monarch is officially involved in such a service. According toThe Telegraph, George becomes the youngest future king to play an official role in a crowning ceremony.
13of 36BBCThe 9-year-old processed through the Nave of Westminster Abbey during the coronation.
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BBC

The 9-year-old processed through the Nave of Westminster Abbey during the coronation.
14of 36BBCHe also held a back corner of his grandfather’s robe.
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He also held a back corner of his grandfather’s robe.
15of 36Pool/ShutterstockPrince Georgestepped into the spotlight as one of four Pages of Honor attending to the king, alongside Lord Oliver Cholmondeley, Nicholas Barclay and Ralph Tollemache.
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Pool/Shutterstock

Prince Georgestepped into the spotlight as one of four Pages of Honor attending to the king, alongside Lord Oliver Cholmondeley, Nicholas Barclay and Ralph Tollemache.
16of 36BBCDuring the ceremony, Charlotte and Louis sat between their mom and dad in the front row.
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During the ceremony, Charlotte and Louis sat between their mom and dad in the front row.
17of 36BBCThe young pair sat at attention during the major moments.
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The young pair sat at attention during the major moments.
18of 36Prince Louis.YUI MOK/POOL/AFP via GettyThough at one point, Louis couldn’t help but yawn!
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Prince Louis.YUI MOK/POOL/AFP via Getty

Though at one point, Louis couldn’t help but yawn!
19of 36Princess Charlotte and Prince Louis.Yui Mok - WPA Pool/GettyDuring the ceremony, Louis pointed something out to his big sister.
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Princess Charlotte and Prince Louis.Yui Mok - WPA Pool/Getty

During the ceremony, Louis pointed something out to his big sister.
20of 36Yui Mok - WPA Pool/GettyLooks like something else caughtPrince Louis' eye during his grandfather’s coronation.
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Yui Mok - WPA Pool/Getty

Looks like something else caughtPrince Louis' eye during his grandfather’s coronation.
21of 36Victoria Jones - WPA Pool/GettyAnd she took her older sibling duties seriously.
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Victoria Jones - WPA Pool/Getty

And she took her older sibling duties seriously.
22of 36BBCLater in the ceremony,Louis left.
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Later in the ceremony,Louis left.
23of 36BBCDespite that, Charlotte continued her royal duties, singing a hymn toward the end of the ceremony.
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Despite that, Charlotte continued her royal duties, singing a hymn toward the end of the ceremony.
24of 36BBCLouis returned for the end of the ceremony, watching his newly crowned grandfather leave the Abbey.
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Louis returned for the end of the ceremony, watching his newly crowned grandfather leave the Abbey.
25of 36BBCAfter the ceremony, George, Charlotte and Louistook a carriage rideto Buckingham Palace with their parents.
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After the ceremony, George, Charlotte and Louistook a carriage rideto Buckingham Palace with their parents.
26of 36BBCA look at waving Louis!
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A look at waving Louis!
27of 36David Fisher/ShutterstockCharlotte smiled at the people gathered to see the procession.
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David Fisher/Shutterstock

Charlotte smiled at the people gathered to see the procession.
28of 36BBCA smile from Will and another wave from Louis.
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A smile from Will and another wave from Louis.
29of 36Prince Louis.SEBASTIEN BOZON/POOL/AFP via Getty ImagesPrince Louislooked out through the rain.
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Prince Louis.SEBASTIEN BOZON/POOL/AFP via Getty Images

Prince Louislooked out through the rain.
30of 36DANIEL LEAL/AFP via GettyDespite the gloomy weather, Louis wore a bright smile as he rode inside the horse-drawn carriage.
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DANIEL LEAL/AFP via Getty

Despite the gloomy weather, Louis wore a bright smile as he rode inside the horse-drawn carriage.
31of 36Samir Hussein/WireImagePrincess CharlotteandPrince Georgesat still for the ride through London.
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Samir Hussein/WireImage

Princess CharlotteandPrince Georgesat still for the ride through London.
32of 36The young princess and prince waved from the central balcony of Buckingham Palace, where the king and queen made their debut appearance with their new titles.
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The young princess and prince waved from the central balcony of Buckingham Palace, where the king and queen made their debut appearance with their new titles.
33of 36BBCPrincess Charlotte,Prince LouisandPrince George(far right) stood with their mom, dad and royal family members on the balcony.Prince Georgestood with his fellow pages while looking out from Buckingham Palace, one of whom is pictured to his left.
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Princess Charlotte,Prince LouisandPrince George(far right) stood with their mom, dad and royal family members on the balcony.Prince Georgestood with his fellow pages while looking out from Buckingham Palace, one of whom is pictured to his left.
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Page of HonorPrince Georgestood between two of his fellow pages on the balcony.
35of 36Samir Hussein/WireImageCharlotte and Louis greeted crowds with their own royal waving styles.
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Charlotte and Louis greeted crowds with their own royal waving styles.
36of 36Leon Neal/GettyMom, Dad and big sisterPrincess Charlottewere particularly fond ofPrince Louis’high energy in celebrationof the King.
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Leon Neal/Getty

Mom, Dad and big sisterPrincess Charlottewere particularly fond ofPrince Louis’high energy in celebrationof the King.
source: people.com