November 20, 1997 (L)(01 of51)
Open Image ModalAt the Greenwich Naval College for a Golden Wedding anniversary dinner celebration. (AP photo)
July 2, 2000 (R)(02 of51)
Open Image ModalAt a charity tennis match for the National Society for the Prevention of Cruelty to Children in the gardens of Buckingham Palace. (Getty photo)
August 4, 2001(03 of51)
Open Image ModalCelebrating the Queen Mum's 101st birthday at Clarence House in London. (AP, Getty photos)
November 4, 2001(04 of51)
Open Image ModalArriving at the world premiere of "Harry Potter and the Sorcerer's Stone" in London. (Getty photos)
December 25, 2002(05 of51)
Open Image ModalLeaving a Christmas Day service at Sandringham Church in Sandringham, UK. (Getty photos)
December 19, 2004(06 of51)
Open Image ModalAt the UK premiere of "The Aviator" in London. (Getty photos)
June 15, 2006(07 of51)
Open Image ModalAt St. Paul's Cathedral in London for a service of thanksgiving in honor of Britain's Queen Elizabeth II's 80th birthday. (Getty photos)
June 19, 2006(08 of51)
Open Image ModalLeaving St. George's Chapel in Windsor after the annual Garter Service to Knight members of society. (AP photos)
December 25, 2006(09 of51)
Open Image ModalAt the Royal Christmas Day service at Sandringham Church in Norfolk, England. (AP, Getty photos)
October 18, 2007(10 of51)
Open Image ModalArriving at the Swarovski Fashion Rocks concert at the Royal Albert Hall in London, England. (Getty photos)
December 25, 2007(11 of51)
Open Image ModalAt the annual Christmas morning church service at Sandringham Church. (AP photos)
May 8, 2008(12 of51)
Open Image ModalArriving at an RD Crusaders concert in London to raise money for the Marie Curie Cancer Hospital. (Getty photos)
June 19, 2008(13 of51)
Open Image ModalAt the Royal Ascot racecourse in Ascot, England. (AP, Getty photos)
February 24, 2009(14 of51)
Open Image ModalArriving at the unveiling of a memorial to Queen Elizabeth I on the Mall in Central London. (Getty photos)
March 26, 2009(15 of51)
Open Image ModalAt a Teenage Cancer Trust fundraiser at the Royal Albert Hall in England. (Getty photos)
December 3, 2009(16 of51)
Open Image ModalAt a screening of "The Young Victoria" in Los Angeles, California. (Getty photos)
May 20, 2010(17 of51)
Open Image ModalAt the Caudwell Children Butterfly Ball in London. (Getty photos)
April 24, 2011(18 of51)
Open Image ModalArriving at the Easter Matins service at St. George's Chapel at Windsor Castle, England. (Getty photos)
April 28, 2011(19 of51)
Open Image ModalArriving at a gala pre-wedding dinner at the Mandarin Oriental Hyde Park in London. (Getty photos)
April 29, 2011(20 of51)
Open Image ModalAt the Royal Wedding (in the Philip Treacy hat that went viral) at Westminster Abbey. (Getty photos)
May 23, 2011(21 of51)
Open Image ModalAt the Chelsea Flower Show Press and VIP Day in London. (Getty photos)
July 30, 2011(22 of51)
Open Image ModalArriving at the wedding of Mike Tindall and Zara Philips in Edinburgh, Scotland. (Getty photos)
July 1, 2011(23 of51)
Open Image ModalAt the Wimbledon tennis tournament. (Getty photos)
August 2011(24 of51)
Open Image Modal(Getty photo)
September 2011(25 of51)
Open Image Modal(Getty photo)
October 2011(26 of51)
Open Image Modal(Getty photo)
October 2011(27 of51)
Open Image Modal(Getty photo)
December 2011(28 of51)
Open Image Modal(Getty photo)
February 2012(29 of51)
Open Image Modal(Getty photo)
March 2012(30 of51)
Open Image Modal(Getty photo)
March 2012(31 of51)
Open Image Modal(Getty photo)
April 2012(32 of51)
Open Image Modal(Getty photo)
May 2012(33 of51)
Open Image Modal(Getty photo)
May 2012(34 of51)
Open Image Modal(Getty photo)
June 2012(35 of51)
Open Image Modal(Getty photo)
June 2012(36 of51)
Open Image Modal(Getty photo)
June 2012(37 of51)
Open Image Modal(Getty photo)
June 2012(38 of51)
Open Image Modal(Getty photo)
Royal Ascot 2012 - Ladies Day(39 of51)
Open Image ModalASCOT, ENGLAND - JUNE 21: (L-R) Princess Anne, Princess Royal and Princess Beatrice attends Ladies Day on day three of Royal Ascot at Ascot Racecourse on June 21, 2012 in Ascot, England. (Photo by Ben Pruchnie/Getty Images) (credit:Getty Images)
June 2012(40 of51)
Open Image Modal(Getty photo)
June 2012(41 of51)
Open Image Modal(Getty photo)
July 2012(42 of51)
Open Image Modal(Getty photo)
July 2012 at the 2012 London Olympics(43 of51)
Open Image Modal(Getty photo)
September 2012(44 of51)
Open Image Modal(Getty photo) (credit:Getty Images)
September 2012(45 of51)
Open Image Modal(Getty photo) (credit:Getty Images)
November 2012(46 of51)
Open Image Modal(Getty photo) (credit:Getty Images)
January 2013(47 of51)
Open Image Modal(Getty photo) (credit:Getty Images)
January 2013(48 of51)
Open Image Modal(Getty photo) (credit:Getty Images)
January 2013(49 of51)
Open Image Modal(Getty photo) (credit:Getty Images)
March 2013(50 of51)
Open Image Modal(Getty photo) (credit:Getty Images)
May 2013(51 of51)
Open Image Modal(Getty photo) (credit:Getty Images)