Giving a masterclass in maternity dressing, Kate showed off a hint of a baby bump in a Madderson London dress on January 15 as she visited Barlby Primary School.
Six months pregnant with her second child, Kate wraps up in a coat from maternity brand Seraphine as she visits the new Kensington Leisure Centre on January 19.
Stunning in pale pink Alexander McQueen as she leaves the Observance for Commonwealth Day Service at Westminster Abbey on March 9.
Sporting a Dalmatian-print coat by Hobbs to visiting the Resort Studios in Cliftonville on March 11.
Effortlessly chic in navy blue Beulah London to attend a Service of Commemoration to mark the end of combat operations in Afghanistan at St Paul's Cathedral on March 13.
Sporting a pretty Jenny Packham dress to leave the Lindo Wing after the birth of Princess Charlotte on May 2.
White Alexander McQueen to mark a special moment for Kate - the christeing of her daughter Princess Charlotte.
Perfectly polished in a houndstooth Ralph Lauren shirtdress to visit the Anna Freud Centre in London on September 17.
Dazzling at her first ever state banquet on October 20 in a sparkling floor-length Jenny Packham gown. The Duchess topped off her regal look with the Lotus Flower Tiara that she borrowed from Queen Elizabeth II.
Kate entered daring new territory with this lacy Dolce & Gabbana dress with a sheer neckline panel. The Duchess was accompanied by her husband Prince William to visit China's president.
Out of this world in an intergalactic-print Tabitha Webb dress to attend a film premiere on October 26.
Taking the red carpet by storm in this chiffon Jenny Packham gown on October 26.
A pleated Orla Kiely number for an official duty in London on October 27. The dress was recycled - Kate had first worn the look back in 2012.
The stunning royal turned heads when she hit the red carpet in this stunning Erdem gown. Kate was attending the 100 Women in Hedge Funds black tie dinner on October 27.
Sporting a black lace Dolce & Gabbana dress to attend the Festival of Remembrance ceremony on November 7.
The picture of elegance in this cobalt blue Saloni dress to attend the Fostering Excellence Awards on November 17.
Kate recycled this grey Matthew Williamson dress with intricate beading details to give a speech at the Place2Be Headteacher conference in London on November 18.
Showing off another recycled number - this festive red Alexander McQueen dress that she donned for a visit to the Anna Freud Centre on December 15.