At just 4 and 2 years old, Britain’s Prince George and Princess Charlotte have had quite a busy year. From family weddings to royal tours, the siblings of parents The Duke and Duchess of Cambridge, Prince William and Catherine Middleton, have been photographed out and about many times in 2017. Above are photos of their cutest moments from the year.

Prince George and Princess Charlotte played a big role in their aunt Pippa Middleton’s wedding to businessman James Matthews in May. Photos from the event show the siblings arriving at St Mark’s Church in Englefield Green, England, sporting coordinating cream and white attire. The royals were joined by other young children who acted as page boys and bridesmaids.

Being members of the royal family means attending the annual Trooping the Colour parade. In June, the young prince and princess joined their parents to watch the event from the balcony of Buckingham Palace in London.

Outside of London, Princess Charlotte and Prince George embarked on a royal tour alongside their parents. They were pictured peeking outside the airplane’s windows after arriving in Poland in July. After exiting the aircraft, Charlotte even gave a little wave while George held tight to dad Prince William’s hand.

The prince and princess were also present for photos after arriving with their parents at Berlin Tegel Airport during their official visit to Poland and Germany on July 19. Princess Charlotte accepted flowers during her visit but Prince George looked less than thrilled.

The most recent image of Prince George and Princess Charlotte was the family’s annual Christmas card. The photo was shared by Kensington Palace on Monday.

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Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge with their children as they arrive on day 1 of their official visit to Poland on July 17, 2017 in Warsaw, Poland. Chris Jackson/Getty Images
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The Duke and Duchess of Cambridge's Christmas card, showing their children Prince George and Princess Charlotte, was issued on Dec. 18, 2017 in London, England. Chris Jackson/Kensington Palace/Getty Images
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Britain's Prince William, his wife Kate, the Duchess of Cambridge, and their children Prince George and Princess Charlotte walk on the tarmac of the Airbus compound prior boarding their plane in Hamburg, northern Germany, on July 21,2017. Christian Charisius/AFP/Getty Images
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Princess Charlotte did eventually check out the helicopters with her family on July 21, 2017 in Hamburg, Germany. Chris Jackson/Getty Images
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Unlike her brother, Princess Charlotte did not appear pleased viewing the helicopter models on July 21, 2017 in Hamburg, Germany. Chris Jackson/Getty Images
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Prince George of Cambridge appeared happy while viewing helicopter models H145 and H135 on July 21, 2017 in Hamburg, Germany. Chris Jackson/Getty Images
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Prince George and Princess Charlotte arrive at Berlin Tegel Airport during an official visit to Poland and Germany on July 19, 2017 in Berlin, Germany. Chris Jackson/Getty Images
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Prince George holds dad Prince William's hand as they arrive on day 1 of their official visit to Poland on July 17, 2017. Chris Jackson/Getty Images
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Princess Charlotte gives a wave while being held by her mother, Duchess Catherine of Cambridge on July 17, 2017 in Warsaw, Poland. Chris Jackson/Getty Images
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Britain's prince George, a pageboy, and Britain's princess Charlotte, a bridesmaid, attend the wedding of their aunt Pippa Middleton to James Matthews at St Mark's Church on May 20, 2017 in Englefield Green, England. Justin Tallis - WPA Pool/Getty Images
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Prince George and Princess Charlotte peer out of a window as they arrive with Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge on day 1 of their official visit on July 17, 2017 in Warsaw, Poland. Chris Jackson/Getty Images
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Princess Charlotte catches one more look at the Trooping the Colour parade on June 17, 2017 in London. Chris Jackson/Getty Images
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Princess Charlotte and Prince George at the Trooping the Colour parade on June 17, 2017 in London, England. Chris Jackson/Getty Images
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Prince George touches his face while watching the Trooping the Colour parade on June 17, 2017 in London, England with sister Princess Charlotte. Chris Jackson/Getty Images
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Catherine, Duchess of Cambridge, Princess Charlotte, Prince George and Prince William look out from the balcony of Buckingham Palace during the Trooping the Colour parade on June 17, 2017 in London, England. Chris Jackson/Getty Images
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Britain's Catherine, Duchess of Cambridge, and daughter Princess Charlotte share a moment at Pippa Middleton's wedding on May 20, 2017 in Englefield Green, England. Justin Tallis - WPA Pool/Getty Images
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Catherine, Duchess of Cambridge, Prince George and Princess Charlotte at the wedding of Pippa Middleton on May 20, 2017 in Englefield Green, England. Justin Tallis - WPA Pool/Getty Images