As Kate Middleton celebrates her 32nd birthday, we look back at a momentous year in the life of the Duchess of Cambridge.

Kate Middleton artist
January 11, 2013: Glasgow-born artist Paul Emsley greets Prince William during a private viewing of his new official commissioned painting of the Duchess of Cambridge at the National Portrait Gallery in LondonReuters
Kate Middleton portrait
January 11, 2013: Paul Emsley poses next to his oil painting of the Duchess of Cambridge, at the National Portrait GalleryReuters
Kate Middleton wave
February 19, 2013: The Duchess of Cambridge arrives to visit Hope House addiction treatment centre in south LondonReuters
Kate Middleton flowers
March 5, 2013: The Duchess of Cambridge receives flowers from children during a visit to Peak Lane fire station in GrimsbyReuters
Kate at the races
March 15, 2013: Prince William and his wife react during the second race at the Cheltenham Festival horse racing meet in GloucestershireReuters
kate grate
March 17, 2013: Prince William supports Kate as she pulls her heel from a grate during a visit on St Patrick's Day to Mons Barracks in AldershotReuters
Kate wills pose
March 17, 2013: The Duke and Duchess of Cambridge pose for an official photograph as they attend a St Patrick's Day Parade at Mons Barracks in AldershotReuters
kate baby on board
March 20, 2013: Kate Middleton holds a "Baby on board!" badge given to her during her visit to Baker Street underground station to mark the 150th anniversary of London UndergroundReuters
kate scouts snow
March 22, 2013: The Duchess of Cambridge visits the Great Tower Scout Camp at Newby Bridge in CumbriaReuters
kate queens scouts
April 21, 2013: The Duchess of Cambridge attends the National Review of Queen's Scouts at Windsor Castle in BerkshireReuters
kate silhouette
April 24, 2013: Members of the media photograph the Duchess of Cambridge as she leaves the National Portrait Gallery in London after attending an evening reception to celebrate the work of the charity The Art RoomReuters
hate harry potter
April 26, 2013: Prince Harry, Kate Middleton and Prince William raise their wands on the set used to depict Diagon Alley in the Harry Potter films, during the inauguration of Warner Bros Studios LeavesdenReuters
kate sophie
June 4, 2013: The Duchess of Cambridge chats to the Countess of Wessex during a service celebrating the 60th anniversary of Queen Elizabeth's coronation at Westminster Abbey in LondonReuters
kate flypast
June 15, 2013: The Queen watches a flypast from the balcony of Buckingham Palace with Camilla, Prince Charles, Prince Andrew, Prince Harry, Prince William and Kate Middleton after the Trooping the Colour ceremony, held to honour Her Majesty's official birthdayReuters
kate prince george
July 23, 2013: The Duchess of Cambridge holds her baby son outside the Lindo Wing of St Mary's Hospital before leaving with Prince William . Kate gave birth to the couple's first child, Prince George, who is third in line to the British throne, the previous day, ending weeks of feverish anticipationReuters
kate tusk awards
September 12, 2013: The Duke and Duchess of Cambridge arrive to attend the Tusk Conservation Awards at The Royal Society in LondonReuters
kate volleyball
October 18, 2013: Kate plays volleyball as she attends a SportsAid athlete workshop at the Copper Box in the Olympic Park in LondonReuters
kate george christening
October 23, 2013: The Duke and Duchess of Cambridge attend the christening of their son Prince George at St James's Palace in LondonReuters
kate poppy
November 7, 2013: The Duke and Duchess of Cambridge arrive to meet volunteers and workers during a Royal British Legion Poppy Day event at Kensington PalaceReuters
kate 3d glasses
December 11, 2013: Kate Middleton wears 3D glasses before a screening of "David Attenborough's Natural History Museum Alive 3D" with her husband at the Natural History Museum in LondonReuters
kate christmas
December 25, 2013: The Duke and Duchess of Cambridge walk to a Christmas Day morning service at the church on the Sandringham Estate in NorfolkReuters