Photos: Kate's best looks
The Duchess of Cambridge's best looks – Catherine, Duchess of Cambridge, participates in a SportsAid Athlete Workshop in London on Friday, October 18. She showed up for the charity event in skinny jeans, a smart blazer and wedges. Click through to see more photos of her style through the years.
Photos: Kate's best looks
The Duchess of Cambridge's best looks – Catherine, Duchess of Cambridge attends the Tusk Trust Conservation Awards at The Royal Society on Thursday, September 12, in London.
Photos: Kate's best looks
The Duchess of Cambridge's best looks – Kate and Prince William start the Ring O'Fire Anglesey Costal Ultra Marathon In Holyhead, Wales, on Friday, August 30. It was Kate's first public appearance since the birth of Prince George.
Photos: Kate's best looks
The Duchess of Cambridge's best looks – Kate at the Ring O'Fire Anglesey Coastal Ultra Marathon on August 30.
Photos: Kate's best looks
The Duchess of Cambridge's royal style – Kate, has proved to be quite the fashionista since her relationship with Prince William catapulted her into the limelight.
Photos: Kate's best looks
The Duchess of Cambridge's royal style – Showing off her new 'do on November 27, she wore a green Mulberry dress to the opening of The Natural History Museum's Treasures Gallery in London.
Photos: Kate's best looks
The Duchess of Cambridge's royal style – Prince William and Catherine dress casually for a walk through the Danum Valley research center in Sabah, Malaysia, on September 15.
Photos: Kate's best looks
The Duchess of Cambridge's royal style – The duchess donned a white and gold gown by Alexander McQueen for a dinner hosted by Malaysia's head of state on September 13.
Photos: Kate's best looks
The Duchess of Cambridge's royal style – Wearing a white suit by Alexander McQueen, the Duchess of Cambridge arrived at Singapore's Gardens by the Bay on September 12.
Photos: Kate's best looks
Photos: Kate's best looks
Photos: Kate's best looks
The Duchess of Cambridge's royal style – The Duchess of Cambridge stunned in a Jenny Packham gown at an event hosted by the British Olympic Association. The teal number, complete with a lace back, is just one of her many noteworthy looks.
Photos: Kate's best looks
Photos: Kate's best looks
The Duchess of Cambridge's royal style – She ditched her usual heels and fascinator to play field hockey with Great Britain's women's team wearing tangerine-colored jeans.
Photos: Kate's best looks
Photos: Kate's best looks
The Duchess of Cambridge's royal style – Wearing a gray coatdress, the Duchess of Cambridge posed for pictures at the National Portrait Gallery in London.
Photos: Kate's best looks
Photos: Kate's best looks
Photos: Kate's best looks
The Duchess of Cambridge's royal style – Clad in Alexander McQueen, she arrived for BAFTA's Brits to Watch event in Los Angeles on July 9 2011.
Photos: Kate's best looks
The Duchess of Cambridge's royal style – Earlier that day, Kate attended the Foundation Polo Challenge wearing a knee-length, floral Jenny Packham dress.
Photos: Kate's best looks
The Duchess of Cambridge's royal style – Kate wore a green Diane Von Furstenberg frock in Los Angeles on July 8 2011.
Photos: Kate's best looks
The Duchess of Cambridge's royal style – That same day, she attended an event at the Beverly Hilton hotel wearing a knee-length Roksanda Ilincic dress.
Photos: Kate's best looks
The Duchess of Cambridge's royal style – On one of the first stops on Will and Kate's Canadian tour, the couple watched a rodeo demonstration in Calgary on July 7 2011.
Photos: Kate's best looks
The Duchess of Cambridge's royal style – Kate almost had a wardrobe malfunction when the pair arrived in Calgary that day. The skirt of her canary yellow Jenny Packham dress kept blowing up in the wind.
Photos: Kate's best looks
The Duchess of Cambridge's royal style – Kate kept it casual in Yellowknife, Canada, on July 6 2011.
Photos: Kate's best looks
The Duchess of Cambridge's royal style – Will and Kate, wearing a purple Issa dress, celebrate Canada Day in Ottawa.
Photos: Kate's best looks
The Duchess of Cambridge's royal style – Stepping out in another Jenny Packham gown, Kate attends a gala at London's Kensington Palace with William on June 9 2011.
Photos: Kate's best looks
The Duchess of Cambridge's royal style – Camilla, duchess of Cornwall, and Kate attend the Order of the Garter Service on June 13 2011. Kate wore a silver coat and fascinator.
Photos: Kate's best looks
The Duchess of Cambridge's royal style – Last but not least is Kate's stunning wedding dress. She wore the gown by Alexander McQueen designer Sarah Burton when she married William on April 29, 2011.
Photos: Kate's best looks
The Duchess of Cambridge's royal style – Kate, dressed in a red coat, and her then-fiancé visited the University of St. Andrews in Fife, Scotland, in February 2011. The couple met while studying at the university.
Photos: Kate's best looks
The Duchess of Cambridge's royal style – Will and Kate posed for photographs after announcing their engagement in November 2010.