Duke and Duchess of Cambridge

Britain's Prince William and wife Catherine Middleton welcomed a son, Prince George, on July 22, 2013. The infant will become third in line for the British throne after his grandfather Prince Charles and his father, William.

The Duchess Of Cambridge Attends 100 Women In Hedge Funds Gala Dinner In Aid Of Action On Addiction

LONDON, UNITED KINGDOM - OCTOBER 24: Catherine, Duchess of Cambridge arrives at a gala dinner in aid of Action on Addiction hosted by the 100 Women in Hedge Funds Philanthropic Initiatives on October 24, 2013 in London, England. (Photo by Ian West/WPA Pool/Getty Images)

Britain's Queen Elizabeth II, right, speaks with Prince William and Kate Duchess of Cambridge as they arrive with their son Prince George at the Chapel Royal in St James's Palace, Wednesday Oct. 23, 2013. Britain's 3-month-old future monarch, Prince George will be christened Wednesday with water from the River Jordan at a rare four-generation gathering of the royal family in London. (AP Photo/John Stillwell/Pool)

Photos of the day - October 23, 2013

Kate Duchess of Cambridge carries her son Prince George after his christening at the Chapel Royal in St James's Palace in London, Wednesday Oct. 23, 2013. The prince was christened Wednesday with water from the River Jordan at a rare four-generation gathering of the royal family in London. (AP Photo/John Stillwell)

Britain's Catherine, Duchess of Cambridge poses for a group photograph as she attends a SportsAid athlete workshop at the Copper Box in the Olympic Park in London

Britain's Catherine, Duchess of Cambridge (C) poses with young athletes for a group photograph as she attends a SportsAid athlete workshop at the Copper Box in the Olympic Park in London October 18, 2013. REUTERS/David Bebber/Pool (BRITAIN - Tags: ROYALS ENTERTAINMENT SPORT)

Britain's Catherine, Duchess of Cambridge, playes volleyball as she attends a SportsAid athlete workshop at the Copper Box in the Olympic Park in London

Britain's Catherine, Duchess of Cambridge, playes volleyball as she attends a SportsAid athlete workshop at the Copper Box in the Olympic Park in London October 18, 2013. REUTERS/David Bebber/pool (BRITAIN - Tags: ENTERTAINMENT ROYALS SPORT VOLLEYBALL)

Britain's Catherine, Duchess of Cambridge, plays volleyball as she attends a SportsAid athlete workshop at the Copper Box in the Olympic Park in London

Britain's Catherine, Duchess of Cambridge, plays volleyball as she attends a SportsAid athlete workshop at the Copper Box in the Olympic Park in London October 18, 2013. REUTERS/David Bebber/pool (BRITAIN - Tags: ENTERTAINMENT ROYALS SPORT VOLLEYBALL)

The Duke And Duchess Of Cambridge Attend The Tusk Conservation Awards

LONDON, ENGLAND - SEPTEMBER 12: Catherine, Duchess of Cambridge attends the Tusk Conservation Awards at The Royal Society on September 12, 2013 in London, England. (Photo by Danny E. Martindale/Getty Images)

Britain's Duke and Duchess of Cambridge attend the Tusk Conservation Awards in London

Britain's Prince William, the Duke of Cambridge, and his wife Catherine, the Duchess of Cambridge, arrive to attend the Tusk Conservation Awards at The Royal Society in London, September 12, 2013. REUTERS/Peter Nicholls/Pool (BRITAIN - Tags: ROYALS ENTERTAINMENT)

Britain's Duke and Duchess of Cambridge attend the Tusk Conservation Awards in London

Britain's Prince William, the Duke of Cambridge, and his wife Catherine, the Duchess of Cambridge, arrive to attend the Tusk Conservation Awards at The Royal Society in London, September 12, 2013. REUTERS/Peter Nicholls/Pool (BRITAIN - Tags: ROYALS ENTERTAINMENT)

The Duke And Duchess Of Cambridge Attend The Tusk Conservation Awards

LONDON, ENGLAND - SEPTEMBER 12: Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge attend the Tusk Conservation Awards at The Royal Society on September 12, 2013 in London, England. (Photo by Danny E. Martindale/Getty Images)

The Duke And Duchess Of Cambridge Attend The Tusk Conservation Awards

LONDON, ENGLAND - SEPTEMBER 12: Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge attend the Tusk Conservation Awards at The Royal Society on September 12, 2013 in London, England. (Photo by Danny E. Martindale/Getty Images)

Britain's Catherine, Duchess of Cambridge visits the Breakwater country park, to start the Ring O Fire ultra marathon, in Anglesey, north Wales

Britain's Catherine, Duchess of Cambridge receives cards from wellwishers during her visit to the Breakwater country park, to start the Ring O Fire ultra marathon, in Anglesey, north Wales August 30, 2013. REUTERS/Paul Lewis/pool (BRITAIN - Tags: ROYALS ENTERTAINMENT SPORT ATHLETICS)

Britain's Prince William and his wife Catherine arrive at the Breakwater country park, to start the Ring O Fire ultra marathon, in Anglesey, north Wales

Britain's Prince William and his wife Catherine, Duchess of Cambridge arrive at the Breakwater country park, to start the Ring O Fire ultra marathon, in Anglesey, north Wales August 30, 2013. REUTERS/Paul Lewis/pool (BRITAIN - Tags: ROYALS ENTERTAINMENT SPORT ATHLETICS)

This image taken by Michael Middleton, the Duchess's father, in early August 2013 and supplied by Kensington Palace, shows the Duke and Duchess of Cambridge with their son, Prince George, in the garden of the Middleton family home in Bucklebury, England, with Tilly the retriever, seen left, a Middleton family pet, and Lupo, the couple's cocker spaniel. (AP Photo/Michael Middleton/TRH The Duke and Duchess of Cambridge ) EDITORIAL USE ONLY

This image taken by Michael Middleton, father of Kate, the Duchess of Cambridge, in early August 2013 and provided by Kensington Palace, shows the Duke and Duchess of Cambridge with their son, Prince George, in the garden of the Middleton family home in Bucklebury, England. (AP Photo/Michael Middleton/TRH The Duke and Duchess of Cambridge)

Kate, the Duchess of Cambridge, carries her new born son, the Prince of Cambridge, who was born on Monday. into public view for the first time. outside the Lindo Wing of St. Mary's Hospital, in London, Tuesday, July 23, 2013. The boy will be third in line to the British throne. (AP Photo/John Stillwell, Pool)

This July 23, 2013 file photo shows Britain's Prince William, right, and Kate, Duchess of Cambridge with the Prince of Cambridge as they pose for photographers outside St. Mary's Hospital in London. Princess Diana wore a caftan-like outfit that hid the post-childbirth tummy bump when William was born. In contrast, the former Kate Middleton, in her first public appearance on July 23, 2013, after giving birth, wore a dress that did not camouflage her belly, and many women are applauding her choice. (AP Photo/Sang Tan, File)

FILE - In this July 23, 2013 photo, Britain's Prince William, right, and Kate, Duchess of Cambridge, hold the Prince of Cambridge, as they pose for photographers outside St. Mary's Hospital exclusive Lindo Wing in London where the Duchess gave birth on July 22. Britain's Prince William has described his joy at introducing newborn son to the world on the steps of a London hospital last month and about his nerves about fitting the car seat securely into the Land Rover before driving off. (AP Photo/Kirsty Wigglesworth, File)

Britain's Prince William, left, and his wife Kate, Duchess of Cambridge, talk to the Dean of Westminster Abbey, Dr John Hall, as they leave following a service to celebrate the 60th anniversary of the coronation of Britain's Queen Elizabeth II at Westminster Abbey, London, Tuesday, June 4, 2013. (AP Photo/Alastair Grant)

Britain's Prince William, left, and his wife Kate, Duchess of Cambridge, talk to the Dean of Westminster Abbey, Dr John Hall, as they leave following a service to celebrate the 60th anniversary of the coronation of Britain's Queen Elizabeth II at Westminster Abbey, London, Tuesday, June 4, 2013. (AP Photo/Alastair Grant)

Queen Elizabeth II Attends Westminster Abbey Service To Mark 60th Anniversary Of Her Coronation

LONDON, ENGLAND - JUNE 04: Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge arrive for a service of celebration to mark the 60th anniversary of the Coronation Queen Elizabeth II at Westminster Abbey on June 4, 2013 in London, England. The Queen's Coronation took place on June 2, 1953 after a period of mourning for her father King George VI, following her ascension to the throne on February 6, 1952. The event 60 years ago was the first time a coronation was televised for the public. (Photo by Dan Kitwood/Getty Images)

The Duke And Duchess Of Cambridge And Prince Harry Attend The Inauguration Of Warner Bros. Studios Leavesden

LONDON, ENGLAND - APRIL 26: Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge share a joke on the set used to depict Diagon Alley in the Harry Potter Films during the Inauguration Of Warner Bros. Studios Leavesden on April 26, 2013 in London, England. (Photo by Chris Jackson/Getty Images)

Royals William, Kate and Harry have magic day out

Britain's Kate the Duchess of Cambridge watches her husband Prince William as he sits on the 'Batpod' during the inauguration of "Warner Bros. Studios Leavesden" near Watford, approximately 18 miles north west of central London, Friday, April 26, 2013. As well as attending the inauguration Friday at the former World War II airfield site, the royals will undertake a tour of Warner Bros. "Studio Tour London - The Making of Harry Potter", where they will view props, costumes and models from the Harry Potter film series. (AP Photo/Chris Jackson, Pool)

The Duchess Of Cambridge Attends The National Review Of The Queen's Scouts At Windsor Castle

WINDSOR, UNITED KINGDOM - APRIL 21: Catherine, Duchess of Cambridge talks with scouts as she attends the National Review of Queen's Scouts at Windsor Castle on April 21, 2013. (Photo by Olivia Harris - WPA Pool/Getty Images)

The Duke And Duchess Of Cambridge Visit the 1st Battalion Irish Guards On St Patrick's Day

ALDERSHOT, ENGLAND - MARCH 17: Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge attend a St Patrick's Day parade by the 1st Battalion Irish Guards as they visit Aldershot Barracks on St Patrick's Day on March 17, 2013 in Aldershot, England. (Photo by Toby Melville - WPA Pool/Getty Images)

Visitors Enjoy The Racing At The Cheltenham Festival 2013

CHELTENHAM, ENGLAND - MARCH 15: Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge watch the races on Gold Cup Day at Cheltenham Racecourse on the fourth and final day of the Cheltenham Festival 2013 on March 15, 2013 in Cheltenham, England. Approximately 200,000 racing enthusiasts are expected at the four-day festival, which ends today and is seen as many as the highlight of the jump racing calendar. (Photo by Matt Cardy/Getty Images)

The Cheltenham Festival - Day 4

CHELTENHAM, ENGLAND - MARCH 15: Prince William, Duke of Cambridge has his ear pulled by a friend as Catherine, Duchess of Cambridge looks on on day 4 of the Cheltenham Festival at Cheltenham Racecourse on March 15, 2013 in Cheltenham, England. (Photo by Danny Martindale/Getty Images)

The Duke and Duchess of Cambridge meet artist Paul Emsley after viewing the newly-commissioned portrait of The Duchess of Cambridge at the National Portrait Gallery in central London, Friday Jan. 11, 2013. (AP Photo/PA, John Stillwell)

The Duke And Duchess Of Cambridge Make An Official Visit To Cambridge

CAMBRIDGE, UNITED KINGDOM - NOVEMBER 28: Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge smile and wave to the crowds from the balcony of Cambridge Guildhall as they pay an official visit to Cambridge on November 28, 2012 in Cambridge, England. (Photo by Chris Jackson/Getty Images)

Royal Reception For Team GB Olympic Medalists

LONDON, UNITED KINGDOM - OCTOBER 23: Catherine, Duchess of Cambridge (C) talks the Women's hockey team during a reception held for Team GB Olympic and Paralympic London 2012 medalists at Buckingham Palace on October 23, 2012 in London, England. (Photo by John Stillwell - WPA Pool/Getty Images)

Britain's Prince William and his wife Kate, the Duke and Duchess of Cambridge, smile as they watch a shark ceremony as they arrive at Marapa Island, Solomon Islands, Monday, Sept. 17, 2012. (AP Photo/Rick Rycroft, Pool)

The Duke And Duchess Of Cambridge Diamond Jubilee Tour - Day 6

HONIARA, GUADALCANAL ISLAND, SOLOMON ISLANDS - SEPTEMBER 16: Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge pose in traditional Island clothing as they visit the Governor General's house on their Diamond Jubilee tour of the Far East on September 16, 2012 in Honiara, Guadalcanal Island. Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge are on a Diamond Jubilee tour representing the Queen, taking in Singapore, Malaysia, the Solomon Islands and Tuvalu. (Photo by Chris Jackson/Getty Images)

Prince William and his wife Kate, the Duke and Duchess of Cambridge arrive at Danum Valley Research Center in Danum Valley, Sabab, Malaysia, Saturday, Sept. 15, 2012. (AP Photo/ Vincent Thian, Pool)

The Duke And Duchess Of Cambridge Diamond Jubilee Tour - Day 6

HONIARA, GUADALCANAL ISLAND, SOLOMON ISLANDS - SEPTEMBER 16: Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge travel in a special boat vehicle as they arrive at Honiara International Airport during their Diamond Jubilee tour of the Far East on September 16, 2012 in Honiara, Guadalcanal Island. Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge are on a Diamond Jubilee tour representing the Queen taking in Singapore, Malaysia, the Solomon Islands and Tuvalu. (Photo by Chris Jackson/Getty Images)

Prince William and his wife Kate, the Duke and Duchess of Cambridge take their shoes off before entering a mosque in Kuala Lumpur, Malaysia, Friday, Sept. 14, 2012. (AP Photo/Mark Baker)

Prince William and his wife Kate, the Duke and Duchess of Cambridge take a walk through a central city park in Kuala Lumpur, Malaysia, Friday, Sept. 14, 2012. Prince William and Kate are on a nine-day tour of the Far East and South Pacific in celebration of Queen Elizabeth II's Diamond Jubilee. (AP Photo/Mark Baker)

Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge during Day 6 of the London 2012 Olympic Games at Velodrome on August 2, 2012 in London, England. (Photo by Pascal Le Segretain/Getty Images)

Britain's Catherine, Duchess of Cambridge, and Britain's Prince William, the Duke of Cambridge attend the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/David Goldman)

Britain's Prince William, right, and his wife Kate, Duchess of Cambridge, left, speak to each other ahead of a quarterfinals match between Roger Federer of Switzerland and Mikhail Youzhny of Russia at the All England Lawn Tennis Championships at Wimbledon, England, Wednesday July 4, 2012. (AP Photo/Anja Niedringhaus)

Queen Elizabeth II and The Duke And Duchess Of Cambridge Visit The East Midlands

NOTTINGHAM, ENGLAND - JUNE 13: Catherine, Duchess of Cambridge, Queen Elizabeth II and Prince William, Duke of Cambridge watch part of a children's sports event while visiting Vernon Park during a Diamond Jubilee visit to Nottingham on June 13, 2012 in Nottingham, England. (Photo by Phil Noble - WPA Pool/Getty Images)