Princess Charlotte has perfected the royal wave and people are freaking out

Not so fast! Princess Charlotte isn’t letting her newborn baby brother take the title of cutest royal away from her that easily.

On Monday morning, just a few hours after the Duchess of Cambridge gave birth to her third child, the Duke of Cambridge went to pick up his kids for a visit with their sibling.

See Princess Charlotte's adorable wave:

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Prince George and Princess Charlotte meet their new sibling
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Prince George and Princess Charlotte meet their new sibling
LONDON, ENGLAND - APRIL 23: Prince William, Duke of Cambridge arrives with Prince George and Princess Charlotte at the Lindo Wing after Catherine, Duchess of Cambridge gave birth to their son at St Mary's Hospital on April 23, 2018 in London, England. The Duchess safely delivered a boy at 11:01 am, weighing 8lbs 7oz, who will be fifth in line to the throne.. (Photo by Samir Hussein/WireImage)
LONDON, ENGLAND - APRIL 23: Prince William, Duke of Cambridge arrives with Prince George and Princess Charlotte at the Lindo Wing after Catherine, Duchess of Cambridge gave birth to their son at St Mary's Hospital on April 23, 2018 in London, England. The Duchess safely delivered a boy at 11:01 am, weighing 8lbs 7oz, who will be fifth in line to the throne. (Photo by Karwai Tang/WireImage)
LONDON, ENGLAND - APRIL 23: Prince William, Duke of Cambridge, Prince George and Princess Charlotte arrive at the Lindo Wing after the birth of his third child on April 23, 2018 in London, England. The Duchess of Cambridge gave birth to a boy at 11:01 BST, weighing 8lb 7oz. (Photo by Neil Mockford/GC Images)
LONDON, ENGLAND - APRIL 23: Prince William, Duke of Cambridge arrives back at the Lindo Wing of St Mary's Hospital with his other two children Prince George and Princess Charlotte after the birth of his third child on April 23, 2018 in London, England. The Duchess of Cambridge gave birth to a boy at 11:01 BST, weighing 8lb 7oz. (Photo by Chris J Ratcliffe/Getty Images)
LONDON, ENGLAND - APRIL 23: Prince William, Duke of Cambridge, Prince George and Princess Charlotte arrive at the Lindo Wing after the birth of his third child on April 23, 2018 in London, England. The Duchess of Cambridge gave birth to a boy at 11:01 BST, weighing 8lb 7oz. (Photo by Neil Mockford/GC Images)
LONDON, ENGLAND - APRIL 23: Prince William, Duke of Cambridge and Princess Charlotte arrive with Prince George at the Lindo Wing after the birth of his third child on April 23, 2018 in London, England. The Duchess of Cambridge gave birth to a boy at 11:01 BST, weighing 8lb 7oz. (Photo by Neil Mockford/GC Images)
LONDON, ENGLAND - APRIL 23: Princess Charlotte of Cambridge arrives with Prince William, Duke of Cambridge at the Lindo Wing, St Mary's Hospital on April 23, 2018 in London, England. (Photo by Mark Cuthbert/UK Press via Getty Images)
LONDON, ENGLAND - APRIL 23: Prince William, Duke of Cambridge arrives back at the Lindo Wing of St Mary's Hospital with his other two children Prince George and Princess Charlotte after the birth of his third child on April 23, 2018 in London, England. The Duchess of Cambridge gave birth to a boy at 11:01 BST, weighing 8lb 7oz. (Photo by Chris J Ratcliffe/Getty Images)
LONDON, ENGLAND - APRIL 23: Prince William, Duke of Cambridge arrives with Prince George and Princess Charlotte at the Lindo Wing after Catherine, Duchess of Cambridge gave birth to their son at St Mary's Hospital on April 23, 2018 in London, England. The Duchess safely delivered a boy at 11:01 am, weighing 8lbs 7oz, who will be fifth in line to the throne. (Photo by Samir Hussein/WireImage)
LONDON, ENGLAND - APRIL 23: Prince William, Duke of Cambridge arrives with Prince George and Princess Charlotte at the Lindo Wing after Catherine, Duchess of Cambridge gave birth to their son at St Mary's Hospital on April 23, 2018 in London, England. The Duchess safely delivered a boy at 11:01 am, weighing 8lbs 7oz, who will be fifth in line to the throne. (Photo by Neil Mockford/GC Images)
LONDON, ENGLAND - APRIL 23: Princess Charlotte of Cambridge arrives with Prince William, Duke of Cambridge at the Lindo Wing, St Mary's Hospital on April 23, 2018 in London, England. (Photo by Mark Cuthbert/UK Press via Getty Images)
LONDON, ENGLAND - APRIL 23: Prince William, Duke of Cambridge arrives with Prince George and Princess Charlotte at the Lindo Wing after Catherine, Duchess of Cambridge gave birth to their son at St Mary's Hospital on April 23, 2018 in London, England. The Duchess safely delivered a boy at 11:01 am, weighing 8lbs 7oz, who will be fifth in line to the throne. (Photo by Samir Hussein/WireImage)
LONDON, ENGLAND - APRIL 23: Prince William, Duke of Cambridge arrives with Prince George and Princess Charlotte at the Lindo Wing after Catherine, Duchess of Cambridge gave birth to their son at St Mary's Hospital on April 23, 2018 in London, England. The Duchess safely delivered a boy at 11:01 am, weighing 8lbs 7oz, who will be fifth in line to the throne. (Photo by Mike Marsland/Mike Marsland/ WireImage)
LONDON, ENGLAND - APRIL 23: Prince William, Duke of Cambridge arrives with Prince George and Princess Charlotte at the Lindo Wing after Catherine, Duchess of Cambridge gave birth to their son at St Mary's Hospital on April 23, 2018 in London, England. The Duchess safely delivered a boy at 11:01 am, weighing 8lbs 7oz, who will be fifth in line to the throne.. (Photo by Samir Hussein/WireImage)
LONDON, ENGLAND - APRIL 23: Prince William, Duke of Cambridge arrives with Prince George and Princess Charlotte at the Lindo Wing after Catherine, Duchess of Cambridge gave birth to their son at St Mary's Hospital on April 23, 2018 in London, England. The Duchess safely delivered a boy at 11:01 am, weighing 8lbs 7oz, who will be fifth in line to the throne. (Photo by Mike Marsland/Mike Marsland/ WireImage)
LONDON, ENGLAND - APRIL 23: Prince William, Duke of Cambridge arrives with Prince George and Princess Charlotte at the Lindo Wing after Catherine, Duchess of Cambridge gave birth to their son at St Mary's Hospital on April 23, 2018 in London, England. The Duchess safely delivered a boy at 11:01 am, weighing 8lbs 7oz, who will be fifth in line to the throne. (Photo by Mike Marsland/ WireImage)
LONDON, ENGLAND - APRIL 23: Prince William, Duke of Cambridge arrives with Prince George and Princess Charlotte at the Lindo Wing after Catherine, Duchess of Cambridge gave birth to their son at St Mary's Hospital on April 23, 2018 in London, England. The Duchess safely delivered a boy at 11:01 am, weighing 8lbs 7oz, who will be fifth in line to the throne. (Photo by Chris Jackson/Getty Images)
Princess Charlotte of Cambridge (L) turns to wave at the media as she is lead in with her brother Prince George of Cambridge (R) by their father Britain's Prince William, Duke of Cambridge, (C) at the Lindo Wing of St Mary's Hospital in central London, on April 23, 2018, to visit Catherine, Duchess of Cambridge, and their new-born son. - Kate, the wife of Britain's Prince William, has given birth to a baby son, Kensington Palace announced Monday. 'Her Royal Highness The Duchess of Cambridge was safely delivered of a son at 11:01 (1001 GMT),' the palace said in a statement. The baby boy weighs eight pounds and seven ounces (3.8 kilogrammes). (Photo by Ben STANSALL / AFP) (Photo credit should read BEN STANSALL/AFP/Getty Images)
LONDON, ENGLAND - APRIL 23: Prince William, Duke of Cambridge arrives with Prince George and Princess Charlotte at the Lindo Wing after Catherine, Duchess of Cambridge gave birth to their son at St Mary's Hospital on April 23, 2018 in London, England. The Duchess safely delivered a boy at 11:01 am, weighing 8lbs 7oz, who will be fifth in line to the throne. (Photo by Chris Jackson/Getty Images)
The Duke of Cambridge and Prince George arrive at the Lindo Wing at St. Mary's Hospital in London, after the birth of his newborn daughter Princess Charlotte. Picture dated: Saturday May 2, 2015. Photo credit should read: Isabel Infantes / EMPICS Entertainment.
The Duke of Cambridge and Prince George arrive at the Lindo Wing at St. Mary's Hospital in London, after the birth of his newborn daughter Princess Charlotte. Picture dated: Saturday May 2, 2015. Photo credit should read: Isabel Infantes / EMPICS Entertainment.
The Duke of Cambridge and Prince George arrive at the Lindo Wing at St. Mary's Hospital in London, after the birth of his newborn daughter Princess Charlotte. Picture dated: Saturday May 2, 2015. Photo credit should read: Isabel Infantes / EMPICS Entertainment.
The Duke of Cambridge and Prince George arrive at the Lindo Wing at St. Mary's Hospital in London, after the birth of his newborn daughter Princess Charlotte. Picture dated: Saturday May 2, 2015. Photo credit should read: Isabel Infantes / EMPICS Entertainment.
Prince William, Duke of Cambridge leaves the Lindo Wing at St. Mary's Hospital in London to collect Prince George following the birth of his new born baby daughter on May 02, 2015. The Duchess of Cambridge was safely delivered of a daughter at 8:34am this morning weighing 8lbs 3oz.
The Duke of Cambridge and Prince George arrive at the Lindo Wing at St. Mary's Hospital in London, after the birth of his newborn daughter Princess Charlotte. Picture dated: Saturday May 2, 2015. Photo credit should read: Isabel Infantes / EMPICS Entertainment.
The Duke of Cambridge with his son Prince George as he arrives at the Lindo Wing of St Mary's Hospital in London, after the birth of his newborn daughter.
The Duke of Cambridge returns with his son, Prince George, to the Lindo Wing of St Mary's Hospital in London, where the Duchess of Cambridge has given birth to a daughter.
The Duke of Cambridge with his son Prince George as he arrives at the Lindo Wing of St Mary's Hospital in London, after the birth of his newborn daughter. PRESS ASSOCIATION Photo. Picture date: Saturday May 2, 2015. See PA story ROYAL Baby. Photo credit should read: Anthony Devlin/PA Wire
The Duke of Cambridge arrives with Prince George at the Lindo Wing of St Mary's Hospital in Paddington west London, following the birth of the second child to the Duke and Duchess of Cambridge.
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Prince William, who drove himself in a Range Rover to the London hospital, first got Prince George out of the car. Holding the 4-year-old’s hand, the father-son duo then went and retrieved Charlotte from the other side.

While George, who was wearing his school uniform (although, noticeably missing were high socks, his signature style) avoided eye contact with the hordes of press gathered outside The Lindo Wing at St. Mary’s hospital, his 2-year-old sister didn’t shy away from the spotlight.

See photos from the big day:

41 PHOTOS
Duchess Kate gives birth to baby No. 3! All the photos from the big day
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Duchess Kate gives birth to baby No. 3! All the photos from the big day
Britain's Prince William, Duke of Cambridge (L) and Britain's Catherine, Duchess of Cambridge show their newly-born son, their third child, to the media outside the Lindo Wing at St Mary's Hospital in central London, on April 23, 2018. (Photo by Daniel LEAL-OLIVAS / AFP) (Photo credit should read DANIEL LEAL-OLIVAS/AFP/Getty Images)
LONDON, ENGLAND - APRIL 23: Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge depart the Lindo Wing with their newborn son at St Mary's Hospital on April 23, 2018 in London, England. The Duchess safely delivered a son at 11:01 am, weighing 8lbs 7oz, who will be fifth in line to the throne. (Photo by Karwai Tang/WireImage)
LONDON, ENGLAND - APRIL 23: Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge depart the Lindo Wing with their newborn son at St Mary's Hospital on April 23, 2018 in London, England. The Duchess safely delivered a boy at 11:01 am, weighing 8lbs 7oz, who will be fifth in line to the throne. (Photo by Samir Hussein/WireImage)
The Duke and Duchess of Cambridge and their newborn son outside the Lindo Wing at St Mary's Hospital in Paddington, London. (Photo by John Stillwell/PA Images via Getty Images)
LONDON, ENGLAND - APRIL 23: Catherine, Duchess of Cambridge departs the Lindo Wing with her newborn son at St Mary's Hospital on April 23, 2018 in London, England. The Duchess safely delivered a boy at 11:01 am, weighing 8lbs 7oz, who will be fifth in line to the throne. (Photo by Chris Jackson/Getty Images)
Britain's Catherine, Duchess of Cambridge holds her newly-born son as he's presented to the press outside the Lindo Wing at St Mary's Hospital in central London, on April 23, 2018. (Photo by Daniel LEAL-OLIVAS / AFP) (Photo credit should read DANIEL LEAL-OLIVAS/AFP/Getty Images)
Britain's Prince William, Duke of Cambridge and Britain's Catherine, Duchess of Cambridge show their newly-born son, their third child, to the media outside the Lindo Wing at St Mary's Hospital in central London, on April 23, 2018. Photo by Daniel LEAL-OLIVAS / AFP 
Britain's Prince William, Duke of Cambridge and Britain's Catherine, Duchess of Cambridge show their newly-born son, their third child, to the media outside the Lindo Wing at St Mary's Hospital in central London, on April 23, 2018. (Photo by Daniel LEAL-OLIVAS / AFP) 
The newborn son of Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge as they depart the Lindo Wing at St Mary's Hospital on April 23, 2018 in London, England. The Duchess safely delivered a boy at 11:01 am, weighing 8lbs 7oz, who will be fifth in line to the throne. (Photo by Chris Jackson/Getty Images)
The newborn son of Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge as they depart the Lindo Wing at St Mary's Hospital on April 23, 2018 in London, England. The Duchess safely delivered a boy at 11:01 am, weighing 8lbs 7oz, who will be fifth in line to the throne. (Photo by Chris Jackson/Getty Images)
Britain's Prince William, Duke of Cambridge and Britain's Catherine, Duchess of Cambridge show their newly-born son, their third child, to the media outside the Lindo Wing at St Mary's Hospital in central London, on April 23, 2018. (Photo by DANIEL LEAL-OLIVAS / AFP) 
The Duchess of Cambridge with her newborn son outside the Lindo Wing at St Mary's Hospital in Paddington, London. (Photo by John Stillwell/PA Images via Getty Images)
Britain's Prince William, Duke of Cambridge and Britain's Catherine, Duchess of Cambridge show their newly-born son, their third child, to the media outside the Lindo Wing at St Mary's Hospital in central London, on April 23, 2018. (Photo by Isabel INFANTES / AFP)
The Duchess of Cambridge and her newborn son outside the Lindo Wing at St Mary's Hospital in Paddington, London. (Photo by Dominic Lipinski/PA Images via Getty Images)
Britain's Prince William, Duke of Cambridge and Britain's Catherine, Duchess of Cambridge show their newly-born son, their third child, to the media outside the Lindo Wing at St Mary's Hospital in central London, on April 23, 2018. (Photo by Ben STANSALL / AFP) (Photo credit should read BEN STANSALL/AFP/Getty Images)
Britain's Prince William, Duke of Cambridge and Britain's Catherine, Duchess of Cambridge (R) show their newly-born son, their third child, to the media outside the Lindo Wing at St Mary's Hospital in central London, on April 23, 2018. (Photo by Ben STANSALL / AFP) 
Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge depart the Lindo Wing with their newborn son at St Mary's Hospital on April 23, 2018 in London, England. The Duchess safely delivered a son at 11:01 am, weighing 8lbs 7oz, who will be fifth in line to the throne. (Photo by Mike Marsland/Mike Marsland/ WireImage)
Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge depart the Lindo Wing with their newborn son at St Mary's Hospital on April 23, 2018 in London, England. The Duchess safely delivered a son at 11:01 am, weighing 8lbs 7oz, who will be fifth in line to the throne. (Photo by Mike Marsland/Mike Marsland/ WireImage)
Britain's Prince William arrives at the Lindo Wing of St Mary's Hospital with his children Prince George and Princess Charlotte after his wife Catherine, the Duchess of Cambridge, gave birth to a son, in London, April 23, 2018. (REUTERS/Henry Nicholls)
LONDON, ENGLAND - APRIL 23: Prince William, Duke of Cambridge arrives with Prince George and Princess Charlotte at the Lindo Wing after Catherine, Duchess of Cambridge gave birth to their son at St Mary's Hospital on April 23, 2018 in London, England. The Duchess safely delivered a boy at 11:01 am, weighing 8lbs 7oz, who will be fifth in line to the throne. (Photo by Steve Back/Getty Images)
Princess Charlotte of Cambridge (L) turns to wave at the media as she is led in with her brother Prince George of Cambridge (R) by their father Britain's Prince William, Duke of Cambridge, (C) at the Lindo Wing of St Mary's Hospital in central London, on April 23, 2018, to visit Catherine, Duchess of Cambridge, and their new-born brother, the Duke and Duchess's third child. - Kate, the wife of Britain's Prince William, has given birth to a baby son, Kensington Palace announced Monday. 'Her Royal Highness The Duchess of Cambridge was safely delivered of a son at 11:01 (1001 GMT),' the palace said in a statement. The baby boy weighs eight pounds and seven ounces (3.8 kilogrammes). (Photo by Ben STANSALL / AFP) (Photo credit should read BEN STANSALL/AFP/Getty Images)
LONDON, ENGLAND - APRIL 23: Prince William, Duke of Cambridge and Princess Charlotte arrive with Prince George at the Lindo Wing after the birth of his third child on April 23, 2018 in London, England. The Duchess of Cambridge gave birth to a boy at 11:01 BST, weighing 8lb 7oz. (Photo by Neil Mockford/GC Images)
LONDON, ENGLAND - APRIL 23: Prince William, Duke of Cambridge, Prince George and Princess Charlotte arrive at the Lindo Wing after the birth of his third child on April 23, 2018 in London, England. The Duchess of Cambridge gave birth to a boy at 11:01 BST, weighing 8lb 7oz. (Photo by Neil Mockford/GC Images)
Princess Charlotte of Cambridge (L) turns to wave at the media as she is led in with her brother Prince George of Cambridge (R) by their father Britain's Prince William, Duke of Cambridge, (C) at the Lindo Wing of St Mary's Hospital in central London, on April 23, 2018, to visit Catherine, Duchess of Cambridge, and their new-born brother, the Duke and Duchess's third child. - Kate, the wife of Britain's Prince William, has given birth to a baby son, Kensington Palace announced Monday. 'Her Royal Highness The Duchess of Cambridge was safely delivered of a son at 11:01 (1001 GMT),' the palace said in a statement. The baby boy weighs eight pounds and seven ounces (3.8 kilogrammes). (Photo by Ben STANSALL / AFP) (Photo credit should read BEN STANSALL/AFP/Getty Images)
LONDON, ENGLAND - APRIL 23: Prince William, Duke of Cambridge arrives with Prince George and Princess Charlotte at the Lindo Wing after Catherine, Duchess of Cambridge gave birth to their son at St Mary's Hospital on April 23, 2018 in London, England. The Duchess safely delivered a boy at 11:01 am, weighing 8lbs 7oz, who will be fifth in line to the throne. (Photo by Chris Jackson/Getty Images)
Britain's Prince William, Duke of Cambridge, gives a wave as he leaves the Lindo Wing at St Mary's Hospital in central London, on April 23, 2018, after his wife Britain's Catherine, Duchess of Cambridge, gave birth to a son, their third child. - Kate, the wife of Britain's Prince William, has given birth to a baby son, Kensington Palace announced Monday. 'Her Royal Highness The Duchess of Cambridge was safely delivered of a son at 11:01 (1001 GMT),' the palace said in a statement. The baby boy weighs eight pounds and seven ounces (3.8 kilogrammes). (Photo by Ben STANSALL / AFP) (Photo credit should read BEN STANSALL/AFP/Getty Images)
Britain's Prince William, Duke of Cambridge, gives a wave as he leaves the Lindo Wing at St Mary's Hospital in central London, on April 23, 2018, after his wife Britain's Catherine, Duchess of Cambridge, gave birth to a son, their third child. - Kate, the wife of Britain's Prince William, has given birth to a baby son, Kensington Palace announced Monday. 'Her Royal Highness The Duchess of Cambridge was safely delivered of a son at 11:01 (1001 GMT),' the palace said in a statement. The baby boy weighs eight pounds and seven ounces (3.8 kilogrammes). (Photo by Ben STANSALL / AFP) (Photo credit should read BEN STANSALL/AFP/Getty Images)
Britain's Prince William, Duke of Cambridge, gives a wave as he leaves the Lindo Wing at St Mary's Hospital in central London, on April 23, 2018, after his wife Britain's Catherine, Duchess of Cambridge, gave birth to a son, their third child. - Kate, the wife of Britain's Prince William, has given birth to a baby son, Kensington Palace announced Monday. 'Her Royal Highness The Duchess of Cambridge was safely delivered of a son at 11:01 (1001 GMT),' the palace said in a statement. The baby boy weighs eight pounds and seven ounces (3.8 kilogrammes). (Photo by Ben STANSALL / AFP) (Photo credit should read BEN STANSALL/AFP/Getty Images)
Britain's Prince William, Duke of Cambridge, gives a wave as he leaves the Lindo Wing at St Mary's Hospital in central London, on April 23, 2018, after his wife Britain's Catherine, Duchess of Cambridge, gave birth to a son, their third child. - Kate, the wife of Britain's Prince William, has given birth to a baby son, Kensington Palace announced Monday. 'Her Royal Highness The Duchess of Cambridge was safely delivered of a son at 11:01 (1001 GMT),' the palace said in a statement. The baby boy weighs eight pounds and seven ounces (3.8 kilogrammes). (Photo by Ben STANSALL / AFP) (Photo credit should read BEN STANSALL/AFP/Getty Images)
Britain's Prince William, Duke of Cambridge, gives a wave as he leaves the Lindo Wing at St Mary's Hospital in central London, on April 23, 2018, after his wife Britain's Catherine, Duchess of Cambridge, gave birth to a son, their third child. - Kate, the wife of Britain's Prince William, has given birth to a baby son, Kensington Palace announced Monday. 'Her Royal Highness The Duchess of Cambridge was safely delivered of a son at 11:01 (1001 GMT),' the palace said in a statement. The baby boy weighs eight pounds and seven ounces (3.8 kilogrammes). (Photo by Isabel INFANTES / AFP) (Photo credit should read ISABEL INFANTES/AFP/Getty Images)
LONDON, ENGLAND - APRIL 23: Tourists and photographers take pictures of a notice placed on an easel in the forecourt of Buckingham Palace in London to formally announce the birth of a baby boy to the Duke and Duchess of Cambridge at the Lindo Wing of St Mary's Hospital on April 23, 2018 in London, England. The Duchess safely delivered a son at 11:01 am, weighing 8lbs 7oz, who will be fifth in line to the throne. (Photo by Stefan Rousseau - WPA Pool/Getty Images)
LONDON, ENGLAND - APRIL 23: A notice is placed on an easel in the forecourt of Buckingham Palace in London to formally announce the birth of a baby boy to the Duke and Duchess of Cambridge at the Lindo Wing of St Mary's Hospital on April 23, 2018 in London, England. The Duchess safely delivered a son at 11:01 am, weighing 8lbs 7oz, who will be fifth in line to the throne. (Photo by Stefan Rousseau - WPA Pool/Getty Images)
A Royal bulletin, announcing that Britain's Catherine, Duchess of Cambridge, the wife of Britain's Prince William, has given birth to a baby boy, stands on an easel on the forecourt of Buckingham Palace in London on April 23, 2018. - Kate, the wife of Britain's Prince William, has given birth to a baby son, Kensington Palace announced Monday. 'Her Royal Highness The Duchess of Cambridge was safely delivered of a son at 11:01 (1001 GMT),' the palace said in a statement. The baby boy weighs eight pounds and seven ounces (3.8 kilogrammes). (Photo by Stefan Rousseau / POOL / AFP) (Photo credit should read STEFAN ROUSSEAU/AFP/Getty Images)
Palace staff position a Royal bulletin, announcing that Britain's Catherine, Duchess of Cambridge, the wife of Britain's Prince William, has given birth to a baby boy, on an easel on the forecourt of Buckingham Palace in London on April 23, 2018. - Kate, the wife of Britain's Prince William, has given birth to a baby son, Kensington Palace announced Monday. 'Her Royal Highness The Duchess of Cambridge was safely delivered of a son at 11:01 (1001 GMT),' the palace said in a statement. The baby boy weighs eight pounds and seven ounces (3.8 kilogrammes). (Photo by Daniel SORABJI / AFP) (Photo credit should read DANIEL SORABJI/AFP/Getty Images)
A Royal bulletin, announcing that Britain's Catherine, Duchess of Cambridge, the wife of Britain's Prince William, has given birth to a baby boy, stands on an easel on the forecourt of Buckingham Palace in London on April 23, 2018. - Kate, the wife of Britain's Prince William, has given birth to a baby son, Kensington Palace announced Monday. 'Her Royal Highness The Duchess of Cambridge was safely delivered of a son at 11:01 (1001 GMT),' the palace said in a statement. The baby boy weighs eight pounds and seven ounces (3.8 kilogrammes). (Photo by Stefan Rousseau / POOL / AFP) (Photo credit should read STEFAN ROUSSEAU/AFP/Getty Images)
Camera crews prepare outside the Lindo Wing at St Mary's Hospital in central London where Britain's Catherine, Duchess of Cambridge gave birth to a baby boy on April 23, 2018. (Photo by Daniel LEAL-OLIVAS / AFP) (Photo credit should read DANIEL LEAL-OLIVAS/AFP/Getty Images)
Royal fans celebrate the news that Britain's Catherine, Duchess of Cambridge gave birth to a baby boy outside the Lindo Wing at St Mary's Hospital in central London, on April 23, 2018. (Photo by Isabel INFANTES / AFP) (Photo credit should read ISABEL INFANTES/AFP/Getty Images)
A town crier announces the news of the birth of a baby boy by Britain's Catherine, Duchess of Cambridge outside the Lindo Wing at St Mary's Hospital in central London, on April 23, 2018. (Photo by Ben STANSALL / AFP) (Photo credit should read BEN STANSALL/AFP/Getty Images)
A town crier outside the Lindo Wing at St Mary's Hospital in Paddington, London, after the news that the Duchess of Cambridge has given birth to a son. (Photo by Kirsty O'Connor/PA Images via Getty Images)
LONDON, ENGLAND - APRIL 23: A town crier announces that the Duchess of Cambridge has given birth to a baby boy at St Mary's Hospital on April 23, 2018 in London, England. The Duke and Duchess of Cambridge's third child was born this morning at 11:01, weighing 8lbs 7oz. (Photo by Jack Taylor/Getty Images)
LONDON, ENGLAND - APRIL 23: A town crier announces the birth of the new prince on the steps of the Lindo Wing on April 23, 2018 in London, England. (Photo by Neil Mockford/GC Images)
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Wearing a light blue dress with a navy blue cardigan, Princess Charlotte walked on her tippy toes while waving at the crowd. Before entering the building to meet the little prince, whose name has yet to be revealed, she gave one last wave.

The adorable move has so many saying “awww.”

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