Prince George and Princess Charlotte's cutest photos together

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Prince William and Kate Middleton are now parents of three, but their two oldest, Prince George and Princess Charlotte, continually show off their close bond. Click through to see their adorable moments together. The Cambridge siblings had the best time watching their dad compete in the Maserati Charity Polo Match at Beaufort Polo Club in Gloucestershire on June 10, 2018. Princess Charlotte ran after Prince George, who will turn five in a month. Photo: Getty Images

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George and Charlotte played together during the polo outing as Kate watched. The little Princess opted to remove her shoes while her brother kept his on. Photo: Getty Images

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Princess Charlotte looked at her brother play with a pair of handcuffs. Throughout the day, the duo played with a slinky, handcuffs among other toys Kate Middleton brought for them. Photo: Getty Images

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At their great-grandmother Queen Elizabeth's birthday parade, Trooping the Colour, on June 9, 2018, George and Charlotte had a great time with some help from their royal relatives! Savannah Phillips, in pink, and Isla Phillips, far right, joined Princess Charlotte – practising her royal wave – and her little brother on the balcony of Buckingham Palace. Photo: Getty Images

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No doubt helicopter-mad Prince George was keeping his eyes on the action, but it looks like all four of the royal children were getting a good neck stretch thanks to the flypast – much to the amusement of Prince William and Duchess Kate. Photo: Getty Images

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The foursome kept each other entertained during the British royal family's time on the balcony, with oldest cousin Savannah, the seven-year-old daughter of Prince William's cousin Peter Phillips and wife and Autumn, taking charge of the little ones. Photo: Getty Images

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On May 19, 2018, Prince George and Princess Charlotte had the over-the-shoulder poses down as they both made their way into St. George's Chapel for uncle Harry and now aunt Meghan's wedding. Photo: Getty Images

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William brought his two oldest children to the hospital to meet their baby brother Louis on April 23, 2018. Charlotte, who almost was three at the time, shyly waved to the waiting crowds as George, who will turn five in July, kept a straight face and looked forward. Photo: Getty Images

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Touchdown! Prince George and Princess Charlotte peered through the window of their private jet, which they used for their flight from London to Warsaw. The British royal tots joined their parents, Prince William and Kate Middleton, on a five day tour of Poland and Germany that began on July 17. Photo: Chris Jackson/Getty Images

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The royals looked picture perfect as they held hands wearing their coordinated cornflower blue outfits to match the color of one of Germany's national flowers, the blue cornflower. Photo: Chris Jackson/Getty Images

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Princess Charlotte and her big brother stared at the planes up above and also pointed out to the crowd that gathered below Buckingham Palace for the annual Trooping the Colour in June 2017. Photo: Karwai Tang/WireImage

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Prior to taking the balcony with the royal family, Prince George and Princess Charlotte, who made her debut at Trooping the Colour, watched the 2017 parade from inside Buckingham Palace. Photo: James Devaney/WireImage

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For their aunt Pippa Middleton's wedding in Bucklebury in May 2017, George and Charlotte were the perfect pageboy and bridesmaid in their coordinating outfits. Photo: Getty Images

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George and Charlotte coordinated with their parents Prince William and Kate Middleton during Christmas Day service at St. Marks church Bucklebury, Berkshire in December 2016. Photo: Andrew Matthews PA Wire/PA Images

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Charlotte had her parents and brother George by her side as she embarked on her first royal tour of Canada in September 2016. Photo: Karwai Tang/WireImage

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The Cambridge siblings appeared intrigued by their new surrounding while on the tarmac of Canada's Victoria Airport, where they were beginning their royal tour of the North American country. Photo: Karwai Tang/WireImage

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George got his hands on an orange bubble gun toy, which he use to squirt bubbles at his sister and father during a children's party in Victoria, Canada. Photo: Chris Jackson / PA Wire/Press Association Images

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The siblings played with their stylish mother and balloons at a party thrown in their honor during the Cambridge family's royal tour of Canada. Photo: Chris Jackson / PA Wire/Press Association Images

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The royal youngsters were amused by balloons and even pulled uninflated ones from the party entertainer's pouch. Photo: Chris Jackson / PA Wire/Press Association Images

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Charlotte and George attentively watched an entertainer make whimsical balloons for them. Photo: Chris Jackson / PA Wire/Press Association Images

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The royal tots were joined by their parents for playtime during a children's party for military families at Victoria's Government House. Photo: Chris Jackson / PA Wire/Press Association Images

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Bubble fight! With his little sister looking intrigued, Prince George looked like he was having a ball with his Finding Nemo bubble gun. Photo: Getty Images

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The family headed back to the UK after the eight-day tour. Prince William remarked, "We feel very lucky to have been able to introduce George and Charlotte to Canada. This country will play a big part in the lives of our children and we have created such happy memories for our family during this visit." Photo: Chris Jackson/Getty Images

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On the last day of the tour, George and Charlotte were still charming their Canadian hosts as they said goodbye. Photo: Andrew Milligan - Pool/Getty Images

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The Duke and Duchess of Cambridge's children were joined by their cousins at Windsor Castle for a photo with their great-grandmother, Queen Elizabeth, in honor of her 90th birthday in April 2016. Photo: Annie Leibovitz/Getty Images

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Prince George and Princess Charlotte hammed it up for the cameras, smiling and waving from the balcony of Buckingham Palace during the June 2016 Trooping the Colour. Photo: Samir Hussein/WireImage

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The royal brother and sister made the same gesture and face as their mother pointed out to the distance during the Trooping the Colour. Photo: Samir Hussein/WireImage

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Charlotte and George both gazed up to watch the RAF fly over Buckingham Palace. Photo: Samir Hussein/WireImage

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Charlotte and George were a pair of adorable snow bunnies, while on a ski holiday in the French Alps with their parents in March 2016. Photo: John Stillwell - WPA Pool/Getty Images

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The royal siblings had fun in the snow during their family vacation in France. Photo: John Stillwell - WPA Pool/Getty Images

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Season's greeting from the Cambridges! The little family posed for a sweet photo together at the end of 2015. Attached to the portrait a message read: "The Duke and Duchess are hugely appreciative of all the warm messages they have received about their family this year and are very much looking forward to their first Christmas as a family of four." Photo: Chris Jelf

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Big brother's looking out! George peered into his sister's pram at her July 2015 christening held at the St. Mary Magdalene's church. Photo: Matt Dunham - WPA Pool/Getty Images

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Doting big brother, Prince George, placed a gentle kiss on his newborn sister, Princess Charlotte's forehead not long after her birth on May 2, 2015. Photo: Duchess of Cambridge

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George was one happy older brother sitting perched up with Princess Charlotte in his arms at their family's country home Anmer Hall. Photo: Duchess of Cambridge