Will and Kate's royal family
Britain's Catherine, Duchess of Cambridge, smiles as she leaves with Britain's Prince William, Duke of Cambridge, after attending the Easter Mattins Service at St. George's Chapel, Windsor Castle, on Sunday, April 1.
Will and Kate's royal family
Prince Harry, Meghan Markle, Catherine, Duchess of Cambridge, and Prince William, Duke of Cambridge, attend the Royal Foundation Forum in London on February 28.
Will and Kate's royal family
William and Kate attend the EE British Academy Film Awards (BAFTA) at the Royal Albert Hall in London on February 18.
Will and Kate's royal family
Catherine is escorted to dinner by King Harald V of Norway and Prince William is escorted by Queen Sonja of Norway at the Royal Palace in Oslo on February 1 during their visit to Norway.
Will and Kate's royal family
From left, Kate, Duchess of Cambridge, Prince William, Meghan Markle, Prince Harry and Prince Philip arrive for the traditional Christmas Day service on Monday, December 25, 2017, at St. Mary Magdalene Church in Sandringham, England.
Will and Kate's royal family
The image used for the Duke and Duchess of Cambridge's 2017 Christmas card shows the royal couple with their children, Prince George and Princess Charlotte. It was issued by Kensington Palace on December 18, 2017, in London.
Will and Kate's royal family
Paddington Bear dances with Catherine while Prince William looks on during the Charities Forum Event at Paddington Station in London, on October 16, 2017.
Will and Kate's royal family
Will and Kate's royal family
Britain's Princess Charlotte turned 2 years old on Tuesday, May 2. This photo of her was taken in April by her mother Catherine, the Duchess of Cambridge. Charlotte is fourth in line to the British throne behind her grandfather, Prince Charles; her father, Prince William; and her big brother, Prince George.
Will and Kate's royal family
Will and Kate's royal family
The Duke and Duchess of Cambridge released new photos of Prince George to mark his third birthday in July 2016. Here he plays with the family's pet dog, Lupo.
Will and Kate's royal family
Members of the royal family gather on a balcony in June 2016, during celebrations marking the 90th birthday of Queen Elizabeth II. From left are Princess Anne; Camilla, the Duchess of Cornwall; Prince Charles; Catherine, the Duchess of Cambridge; Princess Charlotte; Prince George; Prince William; Prince Harry; Queen Elizabeth II; and Prince Philip.
Will and Kate's royal family
Will and Kate's royal family
Will and Kate's royal family
Prince George gets a boost from some foam blocks for a special family photo in April 2016. The portrait, featuring the four generations of the House of Windsor, was commissioned by the Royal Mail and would be featured on a series of stamps to commemorate the Queen's 90th birthday.
Will and Kate's royal family
William and Catherine pose with their children during a trip to the French Alps in March 2016.
Will and Kate's royal family
The family poses for a Christmas photo in December 2015.
Will and Kate's royal family
Princess Charlotte plays with a stuffed dog in this photo taken by her mother in November 2015.
Will and Kate's royal family
William and Catherine pose with their children at Charlotte's christening in July 2015.
Will and Kate's royal family
Princess Charlotte is seen with her big brother for the first time in a photo released by Kensington Palace in June 2015.
Will and Kate's royal family
William and Catherine present their newborn daughter as they leave a London hospital in May 2015.
Will and Kate's royal family
In March 2015, William and Catherine visit a center dedicated to community learning in London.
Will and Kate's royal family
The royal family celebrates Prince George's first birthday with a trip to the Natural History Museum in July 2014.
Will and Kate's royal family
The royal family waves to a crowd before boarding a plane in Wellington, New Zealand, in April 2014. They went on a three-week tour of Australia and New Zealand.
Will and Kate's royal family
The royal couple attends the Tusk Conservation Awards at the Royal Society in London in September 2013.
Will and Kate's royal family
William and Catherine start an ultra marathon in Holyhead, Wales, in August 2013. It was Catherine's first public appearance since the birth of Prince George.
Will and Kate's royal family
The couple are pictured with their newborn boy, Prince George, in 2013. The new parents released two family photographs taken by Michael Middleton, Catherine's father.
Will and Kate's royal family
The Duke and Duchess and their newborn son depart St. Mary's Hospital in London in July 2013.
Will and Kate's royal family
In June 2013, William, Catherine and Prince Harry arrive at Westminster Abbey for a celebration marking the 60th anniversary of Queen Elizabeth II's coronation.
Will and Kate's royal family
In April 2013, Harry, Catherine and William make magic on the set used to depict Diagon Alley in the "Harry Potter" films.
Will and Kate's royal family
The couple attends a St. Patrick's Day parade as they visit Aldershot, England, in March 2013.
Will and Kate's royal family
In September 2012, the couple drank coconut milk from a tree that Queen Elizabeth II planted decades ago in the South Pacific nation of Tuvalu.
Will and Kate's royal family
Catherine and William celebrate during cycling events at the Olympic Games in London in August 2012.
Will and Kate's royal family
The Queen, William and Catherine stand on the balcony of Buckingham Palace during the finale of the Queen's Diamond Jubilee celebrations in June 2012.
Will and Kate's royal family
As part of their charity work, the couple attended a "healthy living cookery session" in London in December 2011.
Will and Kate's royal family
The newly married royal couple watches a rodeo demonstration at a government reception in Calgary, Alberta, in July 2011.
Will and Kate's royal family
Catherine shovels soil during a tree-planting ceremony in Ottawa in July 2011.
Will and Kate's royal family
You can feel the love as the happy couple attends a Snowbirds air show during Canada Day celebrations in July 2011.
Will and Kate's royal family
US President Barack Obama and first lady Michelle Obama meet with the royal couple at Buckingham Palace in May 2011.
Will and Kate's royal family
The newlyweds walk hand in hand from Buckingham Palace the day after their wedding in April 2011.
Will and Kate's royal family
After their wedding on April 29, 2011, the couple drove from Buckingham Palace to Clarence House in a vintage Aston Martin.
Will and Kate's royal family
William and Catherine kiss on the balcony of Buckingham Palace after their wedding ceremony in London.
Will and Kate's royal family
The pair returned to their alma mater in St. Andrews, Scotland, in February 2011. They launched a fundraising campaign for a new scholarship.
Will and Kate's royal family
The couple poses for photographers to mark their engagement in November 2010. Catherine received the engagement ring that belonged to William's late mother, Diana.
Will and Kate's royal family
The couple cheers on the English rugby team during the Six Nations Championship match in London in February 2007.
Will and Kate's royal family
The couple takes a photo after graduating from the University of St. Andrews in June 2005. They met at school and even shared a house with others while students.