Kate attended the Portrait Gala 2014 at the National Portrait Gallery in London, wearing Jenny Packham.
The Duchess attended the ICAP Art Room opening in London, wearing L.K. Bennett.
Queen Elizabeth II and Duchess Kate attended a Dramatic Arts reception at Buckingham Palace. The Duchess is wearing Alexander McQueen.
Kate at the St Patrick's Day parade at Mons Barracks, wearing a Hobbs coat and Gina Foster hat.
The Duchess of Cambridge and Prince George landed in Wellington, New Zealand for their three-week tour of New Zealand and Australia. Kate is wearing Catherine Walker.
The Duchess and little George attended Plunkett's Parent's Group for George's first ever "royal engagement" - also known as his royal play date! Kate wore a dress by Tory Burch.
Kate met a war veteran during a wreathlaying service at the War Memorial in Blenheim, New Zealand. The Duchess was wearing Alexander McQueen.
Kate attended a state reception in New Zealand, wearing a black cocktail dress by Jenny Packham.
Kate, onboard the New Zealand's Americas Cup Team yacht, gets ready to race William during their visit to Auckland Harbour. Kate was wearing skinny jeans and a striped tee.
The Duke and Duchess visited a war memorial in Cambridge. Kate wore a bright green Erdem coat.
Kate and William receive an official welcome at the Dunedin International Airport, the Duchess wearing Emilia Wickstead.
Kate was dressed down (wearing a Jonathan Saunders sweater) for a young players' Rugby tournament while in New Zealand.
Wearing skinny jeans and a Zara blazer, the Duchess of Cambridge visited the Amisfield Winery in Queenstown, New Zealand.
Duchess Kate visited City Council buildings in Christchurch, New Zealand wearing a bright red suit by Luisa Spagnoli.
The Duke and Duchess, with little George in tow, depart Wellington Airport to head to Australia for the second half of their tour. Kate wore a navy tweed suit by Rebecca Taylor.
Kate and William greet the crowds of public outside Sydney Opera House on their first day in Australia. Kate wore a custom, vibrant yellow Roksanda Ilincic dress.
Kate and William visited the Blue Mountains in Katoomba, Australia and the Duchess wore a patterned wrap dress by Diane von Furstenberg.
Duchess Kate wore a stunning Zimmermann dress to Manley Beach in Sydney, Australia.
Wearing L.K. Bennett, Kate arrived at the Royal Australian Airforce Base in Brisbane, Australia.
Attending church at St Andrew's Cathedral for a Easter Sunday Service, Kate wore Alexander McQueen.
Kate holds baby George as they visited the Bilby Enclosure at Taronga Zoo.
For the visit to the Zoo, Kate wore a pale yellow dress by an independent dressmaker.
William and Kate touch down at Ayres Rock Airport, Kate wearing a Roksanda Ilincic shift dress.
For a walk around the base of Uluru in Ayers Rock, Kate wore a casual dress by Hobbs.
Kate wore a light pink Alexander McQueen dress during a visit to the RAFF Base in Adelaide, Australia.
The Duchess wore vibrant green Catherine Walker to the National Arboretum in Canberra.
On one of their final days in Australia, Kate shined in a Lela Rose dress for a reception hosted by the Governor General.
Kate wore a Michael Kors coat as the royal family bid farewell to Australia - and three straight weeks of public engagements! - to head home to Britain.
Kate and William traveled to Scotland, the Duchess wearing a red and pink Jonathan Saunders coat.
Kate and William attended D-Day Commemorative events in France, the Duchess wearing her cornflower blue McQueen coat that was first seen in New Zealand.
The Duchess of Cambridge wore a summery Jaeger shift dress for an official visit to National Maritime Museum.
Duchess Kate chats with Princess Anne at one of the Queen's royal garden parties -- wearing Alexander McQueen.
To celebrate the Queen's birthday, Kate wore an icy blue jacquard coat and dress by Alexander McQueen for the Trooping the Colour parade.
Kate was casual in jeans and a striped shirt as she and Prince George watched Prince William play polo on Father's Day.
Kate stands with Sophie, Countess of Wessex during the Most Noble Order of the Garter Ceremony, wearing Christopher Kane.
Duchess Kate looked lovely in Alexander McQueen for a visit to Bletchley Park.
Kate visits a children's counseling program associated with one of her chosen charities, wearing a pretty pink Goat dress.
Kate and William attend Andy Murray's Wimbledon match, the Duchess re-wearing our favorite look from the Royal Tour: a white Zimmermann dress.
For Prince George's first birthday, Kate and William released a few photographs of them at the Sensational Butterflies exhibition at the Natural History Museum. Kate wore a green silk dress by Suzannah.
Kate wore her Erdem coat to officially start stage one of the Tour de France in England.
Kate and William attended the mens final at Wimbledon, the Duchess wearing a Jonathan Saunders dress first seen in 2012.
Kate returned to her favorite casual outfit to attend the 2014 Commonwealth Games in Scotland.
For the second day of the Commonwealth Games, the Duchess wore a Stella McCartney dress and her favorite Stuart Weitzman wedges.
The Duchess wore Alexander McQueen for a service in Belgium, commemorating the beginning of the First World War.
Kate, William and Harry visited The Tower Of London's Ceramic Poppy Field. The Duchess wore her blue LK Bennett shift dress.
After some time out of the spotlight (due to acute morning sickness) Kate attended a welcoming ceremony for the president of Singapore, wearing Alexander McQueen.
The Duchess dazzled in bespoke Jenny Packham at the Wildlife Photographer of The Year 2014 Awards Ceremony.
Kate wore an edgy Temperley London dress to the Action on Addiction autumn Gala.
Wearing a powder blue coat by Matthew Williamson, the Duchess of Cambridge showed off a growing baby bump during a visit to Pembroke Refinery.
Kate attended a SportsAid workshop wearing a simple purple dress by Goat.
Kate and Wills attended the Royal Variety Performance in London, the Duchess wearing a black lace DVF dress.
Kate hosted the Place2be Wellbeing in Schools Awards Reception at Kensington Palace, wearing a Hobbs top and Jenny Packham skirt.
Pregnant Kate wore a red Katherine Hooker dress to an East Anglia Children's Hospice event in Norfolk.
NYC here they come! The Duke and Duchess pose outside their hotel in New York, The Carlyle. Kate wore a sparkly purple coat by maternity brand Seraphine.
Kate went for lunch at the British Consul General's Residence in NYC, wearing a black military style coat by Goat.
Kate wore a Tory Burch coat and J.Crew skinny jeans when she and William attended a Brooklyn Nets NBA game while in New York.
Wearing a pink Mulberry coat, the Duchess visited the September 11th Memorial and Museum with Prince William.
For their final evening in New York, Kate and William attended the St. Andrews 600th Anniversary Dinner at the Met. Kate brought back an elegant favorite of hers, the Jenny Packham gown we've seen a few times before.
On Christmas day, Kate and William attended a service at Sandringham Church with the rest of the royal family. Kate wore a long coat by Moloh.
Ever since stepping into the spotlight, Kate has leaned towards British designers to make up the majority of her wardrobe and her favorites include Alexander McQueen, Jenny Packham andTemperley London. This year, she donned Goat fashion several times, and even dipped into American designers Diane von Furstenberg and Michael Kors. The Duchess is just starting to show, in her fifth month of pregnancy, so we are excited to see how she'll continue to dress her growing baby bump in 2015.
Click through above to see Kate's year in review - every single stunning look!