In Oslo, Norway, with Crown Princess Mette-Marit of Norway, Crown Prince Haakon, and Prince William, during their visit to Sweden and Norway in February 2018. Getty Images
The Duchess of Cambridge leaves St Mary Magdalene's church after the Royal Family's Christmas Day service. Reuters
On Christmas Day with with Prince William, Meghan, Duchess of Sussex and Prince Harry. EPA
Paying tribute to Leicester City Football Club's owner Aiyawatt Srivaddhanaprabha with Prince William in November. AP
A family photo to celebrate Prince Charles' 70th Birthday on November 14, 2018. Clarence House /Getty Images
With Prince William at the Royal British Legion Festival of Remembrance to commemorate all those who have lost their lives in conflicts and mark 100 years since the end of the First World War, at the Royal Albert Hall, London in November. Reuters
Looking through a stereograph as she officially opens the new photography centre at the Victoria and Albert (V&A) Museum in London in October. AFP
A family portrait to mark the christening of Prince Louis at Clarence House. Seated, left to right: Prince George, Prince William, Prince Louis, the Duchess of Cambridge and Princess Charlotte. Standing, left to right: Prince Harry, Megan, the Duchess of Sussex; Camilla, the Duchess of Cornwall; Prince Charles, Prince of Wales; Carole Middleton, Michael Middleton, Pippa Matthews, James Matthews and James Middleton. AP
With Prince Louis, following his July Christening in London. AP
Arriving at the Wimbledon Men's Singles final, wearing a yellow Dolce & Gabbana dress. Getty Images
Watching tennis with Meghan Markle at Wimbledon in July. Getty Images
Taking part in the Trooping the Colour with Camilla, Duchess of Cornwall in June. Reuters.
Arriving at the wedding of Prince Harry and Meghan Markle with Princess Charlotte in May. AFP
Leaving the Lindo Wing at St Mary's Hospital with newborn Prince Louis on April 23. AFP
With Prince Harry and Meghan Markle at the first annual Royal Foundation Forum in February. The Making a Difference Together-themed event showcased programmes run or initiated by The Royal Foundation. Getty Images
Arriving at the EE British Academy Film Awards (BAFTA) held at Royal Albert Hall. The duchess wore a bottle green Jenny Packham dress to the awards ceremony. Getty Images
In Oslo, Norway, with Crown Princess Mette-Marit of Norway, Crown Prince Haakon, and Prince William, during their visit to Sweden and Norway in February 2018. Getty Images
The Duchess of Cambridge leaves St Mary Magdalene's church after the Royal Family's Christmas Day service. Reuters
On Christmas Day with with Prince William, Meghan, Duchess of Sussex and Prince Harry. EPA
Paying tribute to Leicester City Football Club's owner Aiyawatt Srivaddhanaprabha with Prince William in November. AP
A family photo to celebrate Prince Charles' 70th Birthday on November 14, 2018. Clarence House /Getty Images
With Prince William at the Royal British Legion Festival of Remembrance to commemorate all those who have lost their lives in conflicts and mark 100 years since the end of the First World War, at the Royal Albert Hall, London in November. Reuters
Looking through a stereograph as she officially opens the new photography centre at the Victoria and Albert (V&A) Museum in London in October. AFP
A family portrait to mark the christening of Prince Louis at Clarence House. Seated, left to right: Prince George, Prince William, Prince Louis, the Duchess of Cambridge and Princess Charlotte. Standing, left to right: Prince Harry, Megan, the Duchess of Sussex; Camilla, the Duchess of Cornwall; Prince Charles, Prince of Wales; Carole Middleton, Michael Middleton, Pippa Matthews, James Matthews and James Middleton. AP
With Prince Louis, following his July Christening in London. AP
Arriving at the Wimbledon Men's Singles final, wearing a yellow Dolce & Gabbana dress. Getty Images
Watching tennis with Meghan Markle at Wimbledon in July. Getty Images
Taking part in the Trooping the Colour with Camilla, Duchess of Cornwall in June. Reuters.
Arriving at the wedding of Prince Harry and Meghan Markle with Princess Charlotte in May. AFP
Leaving the Lindo Wing at St Mary's Hospital with newborn Prince Louis on April 23. AFP
With Prince Harry and Meghan Markle at the first annual Royal Foundation Forum in February. The Making a Difference Together-themed event showcased programmes run or initiated by The Royal Foundation. Getty Images
Arriving at the EE British Academy Film Awards (BAFTA) held at Royal Albert Hall. The duchess wore a bottle green Jenny Packham dress to the awards ceremony. Getty Images
In Oslo, Norway, with Crown Princess Mette-Marit of Norway, Crown Prince Haakon, and Prince William, during their visit to Sweden and Norway in February 2018. Getty Images