Prince William Kate Middleton 5 years
29 April 2011: Prince William and Kate Middleton exchange rings during their wedding ceremony at Westminster Abbey in LondonDominic Lipinski
Prince William Kate Middleton 5 years
29 April 2011: The newlyweds smile as they leave Westminster AbbeyChris Jackson/Getty Images
Prince William Kate Middleton 5 years
29 April 2011: The Duke and Duchess of Cambridge pose for an official photograph in the throne room at Buckingham Palace with their bridesmaids and pageboys (Clockwise from bottom right) Margarita Armstrong-Jones, Eliza Lopes, Grace van Cutsem, Louise Windsor, Tom Pettifer, William Lowther-PinkertonHugo Burnand/Clarence House/Reuters
Prince William Kate Middleton 5 years
29 April 2011: The Duke and Duchess of Cambridge kiss on the balcony at Buckingham Palace after the royal weddingChris Jackson/Getty Images
Prince William Kate Middleton 5 years
29 April 2011: Prince William and his new wife drive from Buckingham Palace in a specially decorated Aston Martin DB6 Mark 2John Stillwell
After the wedding, Kate – oldest daughter of party planners Michael and Carole Middleton – became Her Royal Highness The Duchess of Cambridge. She has since become a fashion icon, with fans all over the world keeping a watch on what she wears, giving rise to the term, ''Kate effect''. She has constantly been in the public eye, carrying out various engagements. The royals have had two children: Prince George (born on 22 July 2013) and Princess Charlotte (born on 2 May 2015).
As Prince William and Kate Middleton celebrate their anniversary, IBTimes UK looks back at their first six years of marriage.
Prince William Kate Middleton 5 years
24 May 2011: The Duke and Duchess of Cambridge meet Barack and Michelle Obama at Buckingham PalaceCharles Dharapak
Prince William Kate Middleton 5 years
7 July 2011: Kate and Wills don cowboy hats at a Canadian government reception in Calgary, AlbertaJohn Stillwell
Prince William Kate Middleton 5 years
10 July 2011: Kate smiles as her husband comments on her artistic skills during a visit to the Inner City Arts campus in Los AngelesJohn Stillwell
Prince William Kate Middleton 5 years
30 July 2011: Prince Harry, Kate Middleton and Prince William arrive for the marriage of Zara Phillips, the eldest granddaughter of the Queen, and England rugby captain Mike Tindall, at Canongate Kirk in EdinburghDylan Martinez/Reuters
Prince William Kate Middleton 5 years
21 December 2011: Kate Middleton laughs as Prince William dances with Vanessa Boateng during a reception at Centrepoint's Camberwell Foyer in LondonChris Jackson/Getty Images
Prince William Kate Middleton 5 years
2 August 2012: The royals embrace after Philip Hindes, Jason Kenny and Sir Chris Hoy of Great Britain won the gold medal and set a new world record in the Men's Team Sprint Track Cycling final at the London 2012 Olympic GamesPascal Le Segretain/Getty Images
Prince William Kate Middleton 5 years
30 August 2012: Prince William and Kate Middleton talk as they watch the cycling in the Velodrome during the London 2012 Paralympic GamesStefan Rousseau
Prince William Kate Middleton 5 years
12 September 2012: Prince William and Kate Middleton make a toast in honour of the Queen's Diamond Jubilee during a reception at Eden Hall in SingaporeNicolas Asfouri/AFP
Prince William Kate Middleton 5 years
14 September 2012: The Duke and Duchess of Cambridge take off their shoes before visiting the As-Syakirin Mosque at KLCC in Kuala Lumpur, MalaysiaSamsul Said/Reuters
Prince William Kate Middleton 5 years
16 September 2012: Prince William and Kate Middleton board a decorated truck at Honiara International Airport in the Solomon Islands during their nine-day tour of Southeast Asia and the South Pacific on behalf of the Queen to commemorate her Diamond JubileeDaniel Munoz/Reuters
Prince William Kate Middleton 5 years
18 September 2012: Prince William and Kate Middleton dance with locals in Tuvalu during their Diamond Jubilee visit to the South PacificArthur Edwards
Prince William Kate Middleton 5 years
17 March 2013: Kate is helped by Prince William as she gets her heel stuck in a grating while they take part in a St Patrick's Day parade at Aldershot BarracksBen Pruchnie/Getty Images
Prince William Kate Middleton 5 years
26 April 2013: Prince Harry, Kate Middleton and Prince William raise their wands on a set used to depict Diagon Alley in the Harry Potter Films during the inauguration Of Warner Bros Studios LeavesdenPaul Rogers
Prince William Kate Middleton 5 years
23 July 2013: The Duke and Duchess of Cambridge appear with their first child, Prince George, outside the Lindo Wing of St Mary's Hospital in LondonCathal McNaughton/Reuters
Prince William Kate Middleton 5 years
7 April 2014: Prince William, Kate Middleton and Prince George arrive at Wellington Airport in New Zealand to begin a three-week tour of Australia and New Zealand, the first official trip overseas with their sonHagen Hopkins/Getty Images
Prince William Kate Middleton 5 years
13 April 2014: The Duke and Duchess of Cambridge smile as they visit a young players’ rugby tournament at Forsyth Barr Stadium in Dunedin, New ZealandDavid Rowland
Prince William Kate Middleton 5 years
22 April 2014: Prince William and Kate Middleton pose in front of Uluru, also known as Ayers Rock, in AustraliaPhil Noble/Reuters
Prince William Kate Middleton 5 years
2 July 2014: Kate Middleton carries her son Prince George alongside her husband Prince William as they visit the Sensational Butterflies exhibition at the Natural History Museum in LondonJohn Stillwell
Prince William Kate Middleton 5 years
28 July 2014: Kate and William and Prince Harry react as they watch hockey at the Commonwealth Games in GlasgowRussell Cheyne/Reuters
Prince William Kate Middleton 5 years
29 July 2014: Kate and William watch the athletics at Hampden Park on day six of the Commonwealth Games in GlasgowChris Jackson/Getty Images
Prince William Kate Middleton 5 years
4 August 2014: The Duke and Duchess of Cambridge pay their respects at St Symphorien Military Cemetery in Mons, Belgium on the 100th anniversary of the start of the First World WarChris Jackson/Getty Images
Prince William Kate Middleton 5 years
8 December 2014: Prince William and Kate Middleton meet LeBron James backstage at a Cleveland Cavaliers vs Brooklyn Nets game in New YorkNeilson Barnard
Prince William Kate Middleton 5 years
13 March 2015: The Duke and Duchess of Cambridge leave St Paul's Cathedral after a service of commemoration for troops who were stationed in AfghanistanChris Jackson/Getty Images
Prince William Kate Middleton 5 years
2 May 2015: Prince William looks on as his wife holds their baby daughter outside the Lindo Wing of St Mary's Hospital in LondonCathal McNaughton/Reuters
Prince William Kate Middleton 5 years
5 July 2015: The Duke and Duchess of Cambridge and their children are pictured after the christening of Princess Charlotte at the Church of St Mary Magdalene in SandringhamChris Jackson/Getty Images
Prince William Kate Middleton 5 years
10 October 2015: William and Kate smile at each other as they attend an event hosted by Mind, at Harrow College to mark World Mental Health DayArthur Edwards
Prince William Kate Middleton 5 years
3 March 2016: Prince William and Kate Middleton enjoy a short private skiing break in the French Alps with their children, Princess Charlotte and Prince GeorgeJohn Stillwell
Prince William Kate Middleton 5 years
15 April 2016: The royals trek up the mountain to the Paro Taktsang Monastery, also known as the Tiger's Nest, in BhutanCathal McNaughton/Reuters
Prince William Kate Middleton 5 years
15 April 2016: Prince William and Kate Middleton pose next to a prayer wheel on the trek up to the Tiger's Nest monastery during their visit to BhutanChris Jackson/Getty Images
Prince William Kate Middleton 5 years
16 April 2016: Prince William and Kate Middleton pose at The Taj Mahal in Agra, IndiaMoney Sharma/AFP
Prince William Kate Middleton 5 years
22 April 2016: President Barack Obama, Prince William and Michelle Obama talk with Prince George at Kensington Palace, while Kate Middleton looks onPete Souza/The White House via Getty Images
IBTPOTY2016
11 June 2016: Prince Charles, Kate Middleton, Princess Charlotte, Prince George, Prince William, Prince Harry, the Queen and Prince Philip stand on the balcony of Buckingham Palace during Trooping the Colour, marking the Queen's 90th birthdayBen A Pruchnie/Getty Images
Somme Commemoration
1 July 2016: Prince William and Catherine, Duchess of Cambridge speak with French officials as they arrive in ThiepvalFrancois Mori/AFP
Royal International Air Tattoo
8 July 2016: Kate Middleton, Prince George and Prince William, Duke of Cambridge arrive for a visit to the Royal International Air Tattoo at RAF FairfordChris Jackson/ Getty Images
Kate Middleton
24 July 2016: Kate Middleton and Prince William visit Land Rover BAR at the America's Cup World Series in PortsmouthChris Jackson/ Getty Images
Kate Middleton Prince William
2 September 2016: Kate Middleton and Prince William visit the Tresco Abbey GardenPeter Nicholls
Royal Tour of Canada
25 September 2016: Canadian Prime Minister Justin Trudeau, Sophie Gregoire Trudeau and the Duke and Duchess of Cambridge attend the Young Canadians reception and celebration at the Telus Gardens during the Royal Tour of CanadaMark Large/ Getty Images
Royal Tour of Canada
26 September 2016: The Duke and Duchess of Cambridge walk along with the Premier of British Columbia Christy Clark through the Great Bear rainforest in Bella Bella, British ColumbiaJonathan Hayward/ AFP
Royal Tour of Canada
26 September 2016: The Duke and Duchess of Cambridge attend a cultural sharing ceremony at the Wawiskas Community Hall in Bella Bella, British ColumbiaKevin Light/ Reuters
Royal Tour of Canada
26 September 2016: The Duke and Duchess of Cambridge attend a reception at Government House in VictoriaChris Jackson/ Getty Images
Royal Tour of Canada
27 September 2016: Prince William and Kate Middleton attend a Taste of British Columbia community event at Mission Hill Winery in Kelowna, CanadaArthur Edwards
Royal Tour of Canada
29 September 2016: The Duke and Duchess of Cambridge arrive at the children's party for military families, with Prince George and Princess CharlotteChris Jackson/ Getty Images
Royal Tour of Canada
29 September 2016: Prince George and Princess Charlotte enjoy the party with their parentsChris Wattie/ Reuters
William and Kate
10 October 2016: Prince William and Kate Middleton attend the World Mental Health Day celebration with Heads Together at the London Eye, LondonChris Jackson/ Getty Images
Kate Middleton
14 October 2016: Prince William and Kate Middleton attend a paving stone ceremony for Victoria Cross recepients at the Manchester Cenotap during their visit to ManchesterDarren Staples/ Getty Images
Kate Middleton, Prince William
14 October 2016: Prince William sits in a BAC Mono racing car, partially made of graphene, watched by his wife Catherine, Duchess of Cambridge, during their visit to the National Graphene Institute at the University of Manchester in Manchester, EnglandPhil Noble/Reuters
Kate Middleton, Prince William
14 October 2016: Prince William and Kate Middleton leave Manchester Town Hall after attend a paving stone ceremony for Victoria Cross recepients, at the Manchester Cenotaph in Manchester, EnglandDarren Staples/Reuters
Kate Middleton, Prince William
19 December 2016: Prince William, Kate Middleton and Prince Harry stand ready to give an award during a visit to The Mix, LondonAlastair Grant/Reuters
Kate Middleton, Prince William
25 December 2016: Prince William, Kate Middleton, Prince George and Princess Charlotte arrive to attend the morning Christmas Day service at St Mark's Church in Englefield, near Bucklebury in southern EnglandAndrew Matthews/Reuters
Kate Middleton
6 February 2017: Kate Middleton and Prince William arrives to attend the Place2Be Big Assembly With Heads Together for Children's Mental Health Week at Mitchell Brook Primary School in LondonChris Jackson/Getty Images
Kate Middleton
17 March 2017: Kate Middleton and Prince William leave after presenting the 1st Battalion Irish Guardsmen with shamrocks during the annual Irish Guards' St Patrick's Day Parade at Household Cavalry Barracks in LondonDan Kitwood/Getty Images
Duke and Duchess of Cambridge
17 March 2017: Prince William, Kate Middleton and French President Francois Hollande stand outside the Elysee Palace in ParisPascal Le Segretain/Getty Images
Kate Middleton, Prince William
18 March 2017: Kate Middleton and Prince William look through the clock at Musee d'Orsay during an official two-day visit to ParisChris Jackson/Getty Images
Kate Middleton, Prince William
18 March 2017: Prince William, Duke of Cambridge and his wife Britain's Kate, Duchess of Cambridge pose near the Eiffel Tower during a visit to FranceThomas Samson/AFP
Kate Middleton, Prince William
17 March 2017: Kate Middleton and Prince William arrive for a dinner at the British Embassy in Paris, FranceEric Feferberg/AFP
Kate Middleton, Prince William
20 April 2017: Prince William and Kate Middleton depart after attending the official opening of The Global Academy in support of Heads Together at The Global Academy in Hayes, EnglandChris Jackson/Getty Images
Kate Middleton
23 April 2017: A runner squirts water towards Prince William and Kate Middleton as they hand out water to runners during the 2017 London Marathon in London