Getty Images LEFT: The future Queen Mother holds her newborn daughter, Princess Elizabeth, in 1926.
RIGHT: Nearly nine decades later, Catherine, Duchess of Cambridge, carries Princess Charlotte into her christening.
Getty Images LEFT: This late '20s photograph shows Princess Elizabeth with her mother, who was then the Duchess of York.
RIGHT: A candid taken during their royal tour of Canada in 2016 shows Princess Charlotte and her mother sharing a sweet moment.
Getty Images LEFT: Princess Elizabeth waves from a toy carriage in a 1928 portrait.
RIGHT: While in Canada, Princess Charlotte has fun with the balloon display at a children's party for military families.
Advertisement - Continue Reading Below
Getty Images LEFT: Queen Elizabeth's lifelong love of corgis began as a child. Here, she cuddles the newest member of her family.
RIGHT: During a party for military families in Canada, Princess Charlotte makes a furry friend of her own.
Getty Images LEFT: A 1929 photograph of the future Queen shows her as a 3-year-old.
RIGHT: A 2-year-old Princess Charlotte attends church on Christmas Day in Bucklebury, Berkshire in 2016.
Getty Images LEFT: Princess Elizabeth plays with a pram on the grounds of Windsor Castle circa 1933.
RIGHT: Kate Middleton snapped this portrait of her daughter at their family home in Norfolk in 2017 in honor of Charlotte's second birthday.
Advertisement - Continue Reading Below
Getty Images LEFT: A young Princess Elizabeth poses for a portrait wearing a dress not unlike the ones Charlotte still wears today.
RIGHT: Princess Charlotte attends her aunt Pippa Middleton's wedding to James Matthews on May 20, 2017 in Englefield Green, England.
Getty Images LEFT: Princess Elizabeth walks with her mother at Edinburgh Castle in approximately 1931.
RIGHT: Princess Charlotte arrives at Berlin Tegel Airport with her family on an official visit to Germany on July 19, 2017.
Getty Images LEFT: The future monarch plays in a flower field in a photograph taken by her father, King George VI.
RIGHT: At the same official visit to Germany in 2017, the Princess stops to smell her flower bouquet.
Advertisement - Continue Reading Below
Getty Images LEFT: Princess Elizabeth attends the Royal Tournament — a military pageant for the British Armed Forces — in London in 1930.
RIGHT: Princess Charlotte arrives at the Lindo Wing at St. Mary's Hospital on April 23, 2018 for the birth of her younger brother Prince Louis.
Getty Images LEFT: An early '30s portrait shows Princess Elizabeth in a flower crown and a ruched chiffon dress.
RIGHT: Princess Charlotte wore similar attire when she served in the bridal party at Prince Harry and Meghan Markle's wedding at Windsor Castle on May 19, 2018.
Getty Images LEFT: Princess Elizabeth looks relaxed on the grounds of the Royal Lodge, Windsor in June 1936.
RIGHT: Princess Charlotte has fun running around the Beaufort Polo Club on June 10, 2018 in Gloucester, England.
Advertisement - Continue Reading Below
Getty Images LEFT: Princess Elizabeth cuddles up with a pet dog at her childhood home in London, 145 Piccadilly, in 1936.
RIGHT: Princess Charlotte leaves Prince Louis's christening at St. James's Palace in London on July 9, 2018.
Getty Images LEFT: The future Queen visits Abergeldie Castle in Scotland — two miles east of the royal residence Balmoral — in 1933.
RIGHT: Tapped as a royal bridesmaid yet again, Princess Charlotte attends the wedding of Princess Eugenie and Jack Brooksbank at St. George's Chapel on October 12, 2018 in Windsor, England.
Getty Images LEFT: In June 12, 2016, Queen Elizabeth II looks out from Buckingham Palace at the crowds gathered outside for her 90th birthday celebrations.
RIGHT: Princess Charlotte of Cambridge watches from a window of Buckingham Palace during the annual Trooping the Colour on June 17, 2017. Trooping the Colour is an annual parade marking the Queen's official birthday.
Advertisement - Continue Reading Below
Getty Images LEFT: Princess Elizabeth plays with a doll in a toy pram outside the Welsh House in 1933.
RIGHT: In celebration of Princess Charlotte's fifth birthday, the royal family shared a photo of Charlotte helping pack and deliver food packages amid the coronavirus outbreak.
Getty Images LEFT: Queen Elizabeth II dons an all-green ensemble at the Dubai Duty Free Spring Trials horse racing meet on April 13, 2019.
RIGHT: Later in the year, Princess Charlotte wears a similar hue at the Christmas Day church service on the Sandringham Estate.
Getty Images LEFT: Princess Elizabeth is all smiles outside of the Royal Lodge in Windsor in 1936.
RIGHT: Princess Charlotte gears up for her first day of school in 2019.
Advertisement - Continue Reading Below
Getty Images LEFT: Princess Elizabeth plays outside on the grounds of a Scottish castle in 1929.
RIGHT: Princess Charlotte kicks a soccer ball around in 2019.
Getty Images LEFT: A young Princess Elizabeth catches raindrops on her tongue while visiting the Royal Tournament at Olympia in London.
RIGHT: While waiting for the wedding of Pippa Middleton and James Matthews to start, 2-year-old Charlotte sticks her tongue out just like the Queen.
Advertisement - Continue Reading Below
Advertisement - Continue Reading Below
Advertisement - Continue Reading Below