Catherine, Duchess of Cambridge
A gallery of photos through the years of Britain's Catherine, Duchess of Cambridge, once known as simply Kate Middleton before her marriage to Prince William, Duke of Cambridge.
Catherine, Duchess of Cambridge, visits an EACH (East Anglia Children's Hospice) Appeal Launch Event at Norfolk Showground on November 25, 2014 in Norwich, England.
2016
Britain's Catherine, Duchess of Cambridge, shows off her balloon handling skills in a tennis workshop with Andy Murray's mother Judy at Craigmount High School in Edinburgh, Scotland, February 24, 2016.
2015
A photo released with a "Merry Christmas" message by Kensington Palace shows the Duke and Duchess of Cambridge, Prince William and Kate, with their children George and Charlotte.
2015
Britain's Prince Harry, Britain's Catherine, Duchess of Cambridge and Britain's William, Duke of Cambridge arrive for the world premiere of the new James Bond film "Spectre" at the Royal Albert Hall in London on October 26, 2015.
2015
Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge depart the Lindo Wing with their newborn daughter at St Mary's Hospital in London, May 2, 2015.
The Duchess delivered a daughter named Charlotte at 8:34am, weighing 8 lbs 3 oz, who will be fourth in line to the throne.
2014
This photo taken Wednesday, July 2, 2014, and released Monday, July 21, 2014, to mark Prince George's first birthday, shows Britain's Prince William and Kate Duchess of Cambridge and the Prince during a visit to the Sensational Butterflies exhibition at the Natural History Museum, London.
2014
Kate, Duchess of Cambridge, holds Prince George of Cambridge as they visit the Bilby Enclosure at Taronga Zoo on April 20, 2014, in Sydney, Australia.
2013
Kate, Duchess of Cambridge, and Prince William, Duke of Cambridge, attend the Royal film performance of "Mandela: Long Walk to Freedom" at Odeon Leicester Square on Dec. 5, 2013, in London.
2013
The Duke and Duchess of Cambridge with their son, Prince George, arrive at Chapel Royal in St James's Palace, for George's christening by the Archbishop of Canterbury in central London on Oct. 23, 2013.
2013
Prince William, Duke of Cambridge, and Kate, Duchess of Cambridge, depart The Lindo Wing with their newborn son, Prince George of Cambridge, at St Mary's Hospital on July 23, 2013, in London. The baby boy was born July 22.
2013
Kate, Duchess of Cambridge, stands on the balcony of Buckingham Palace during the annual Trooping the Colour Ceremony on June 15, 2013, in London.
2013
Prince William and Kate, Duchess of Cambridge, visit the Emirates Arena on April 4, 2013, in Glasgow, Scotland.
2012
Kate, Duchess of Cambridge, waves as she arrives at the Guildhall in Cambridge, England, on Nov. 28, 2012.
2012
Prince William and Kate, Duchess of Cambridge, smile as they arrive at Honiara Cathedral during their Diamond Jubilee tour of the Far East on Sept. 16, 2012, in Honiara, Solomon Islands.
2012
Kate, Duchess of Cambridge, right, and her sister, Pippa Middleton, sit in the Royal Box during the Gentlemen's Singles final match between Roger Federer of Switzerland and Andy Murray of Great Britain during the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 8, 2012 in London.
2012
Britain's Prince Charles and Catherine, Duchess of Cambridge iron artwork that they produced during their visit to the Dulwich Picture Gallery in London, March 15, 2012.
2012
Kate, Duchess of Cambridge and Queen Elizabeth II applaud as they listen to a welcome speech on March 8, 2012, in Leicester, England.
2011
Kate, Duchess of Cambridge, arrives to attend a Christmas Service at St. Mary's Church on the grounds of Queen Elizabeth II's Sandringham Estate in Norfolk, England, on Dec. 25, 2011.
2011
Kate, Duchess of Cambridge, and Prince William (not pictured) visit the UNICEF Emergency Supply Center on Nov. 2, 2011, in Copenhagen, Denmark.
2011
Prince William, Duke of Cambridge, and Kate, Duchess of Cambridge, visit the Summerfield Community Centre, on August 19, 2011 in Birmingham, England.
2011
Kate, Duchess of Cambridge arrives at the BAFTA Brits to Watch event held at the Belasco Theatre on July 9, 2011, in Los Angeles.
2011
Prince William hugs his wife Kate, Duchess of Cambridge, after competing against her team in a dragon boat race at Dalvay-by-the-Sea on Prince Edward Island as part of their royal tour of Canada, Monday, July 4, 2011.
2011
Britain's Prince William and his bride Kate, Duchess of Cambridge, leave Westminster Abbey, London, following their wedding, Friday April 29, 2011.
2011
Catherine Middleton waves to the crowds as her sister and Maid of Honor Pippa Middleton holds her dress before walking in to the Abbey to attend the Royal Wedding of Prince William to Catherine Middleton at Westminster Abbey on April 29, 2011 in London, England. The marriage of the second in line to the British throne is to be led by the Archbishop of Canterbury and will be attended by 1900 guests, including foreign Royal family members and heads of state. Thousands of well-wishers from around the world have also flocked to London to witness the spectacle and pageantry of the Royal Wedding.
2011
Kate Middleton waves and smiles to the cheering crowds as she arrives at the Goring Hotel in London, on April 28, 2011. Middleton is staying at the 5-star hotel with her family ahead of her wedding to Britain's Prince William on April 29 at Westminster Abbey.
2011
Britain's Prince William watches, as Kate Middleton flips a pancake at a display by the charity Northern Ireland Cancer Fund for Children, outside the City Hall in Belfast, Northern Ireland, Tuesday, March 8, 2011.
2010
Britain's Prince William and his fiancee, Kate Middleton, pose for photographers during a photocall to mark their engagement, in the State Rooms of St James's Palace, central London, on Nov. 16, 2010.
Photos: Prince William and Kate Middleton
2010
Prince William and Kate Middleton leave the wedding of their friends Harry Mead and Rosie Bradford in the village of Northleach, England, on Oct. 23, 2010.
2009
Kate Middleton arrives at a charity disco in London on Sept. 17, 2009.
2008
Kate Middleton attends the 46664 Concert in Celebration of Nelson Mandela's Life held at Hyde Park on June 27, 2008, in London.
2008
Prince William's girlfriend Kate Middleton attends day six of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on June 28, 2008, in London.
2008
Britain's Prince William and girlfriend Kate Middleton are photographed at RAF Cranwell, England, on April 11, 2008, after William received his RAF wings from his father, the Prince of Wales.
2008
Kate Middleton watches the David Nicholson Mares Hurdle on day four of the Cheltenham festival at Cheltenham Racecourse on March 14, 2008, in Cheltenham, England.
2007
Kate Middleton, the girlfriend of Prince William, looks on from the Royal Box on the fourth day of The Annual National Hunt Festival held at Cheltenham Racecourse on March 16, 2007, in Cheltenham, England.
2007
An unditenfitied man speaks with Britain's Prince William and Kate Middleton n the paddock enclosure on the first day of the annual Cheltenham Race Festival at Cheltenham Race course, west of England, March 13, 2007.
2007
Kate Middleton, right, watches the England against Italy Six Nations rugby match with Britain's Prince William, center,and Prince Harry at Twickenham stadium in London, Saturday, Feb. 10, 2007.
2007
Kate Middleton leaves her Chelsea flat on her 25th birthday on Jan. 9, 2007, in London.
2006
Kate Middleton sits in the stands as Britain's Prince William, takes part in the Sovereign's Parade at The Royal Military Academy in Camberley, England on Dec. 15, 2006.
2006
Kate Middleton leaves the wedding of Laura Parker Bowles and Harry Lopes at St Cyriac's Church, Lacock on May 6, 2006, in Wiltshire, England.
2005
Kate Middleton, girlfriend of Prince William, watches the events in the main arena on the second day of the Gatcombe Park Festival of British Eventing at Gatcombe Park, on Aug. 6, 2005, near Tetbury, England.
2005
Kate Middleton leaves Younger Hall after her graduation ceremony on June 23, 2005, in St. Andrews, Scotland.