SIDE BY SIDE

Princess in the Making

Prince William’s girlfriend Kate Middleton may be a commoner, but her sense of style resembles Princess Diana’s, at times astonishingly so. VIEW OUR GALLERY.

Tim Graham / Getty Images; Rex USA

Tim Graham / Getty Images; Rex USA

Prince William’s girlfriend Kate Middleton may be a commoner, but her sense of style resembles Princess Diana’s, at times astonishingly so. VIEW OUR GALLERY.

AP Photo; INFGoff.com

Royal Blues

Diana attends a charity dinner at the Sydney Entertainment Centre in 1996; Kate Middleton in a BCBG gown at the Boodles Boxing Ball at The Royal Lancaster Hotel in London, June 2006.

Jayne Fincher, Princess Diana Archive / Getty Images; Richard Gillard, Camera Press / Retna

A Feather in Their Caps

Princess Diana wearing a John Boyd hat and a tweed coat by Caroline Charles in November 1981; Kate Middleton at the wedding of Laura Parker-Bowles in June 2006

Tim Graham, Picture Library / Getty Images

Christmas Red

Diana at Sandringham on Christmas Day 1993; Kate Middleton attends the Sovereign's Parade at Sandhurst Military Academy in December 2006.

Tim Graham / Getty Images; Anwar Hussein, Allactiondigital.com / Retna

Equine Chic, Part One

Diana sports a British Lung Foundation sweatshirt and baseball cap at the Guards Polo Club in May 1988; Kate Middleton attends the Gatcombe Park Festival of British Eventing in August 2005.

Tim Graham / Getty Images

Snow Princesses

In 1986, Diana went on holiday to Klosters, Switzerland. Nineteen years later, Kate Middleton joined the royal family in Klosters.

Tim Graham / Getty Images

All the Trimmings

Diana attending Christmas services at Sandringham in 1994; Kate Middleton at the Cheltenham Races in March 2006.

Tim Graham / Getty Images; Rex USA

Girls in Their Summer Dresses

Nineteen-year-old Diana attends the premiere of the 1981 James Bond film For Your Eyes Only in Leicester Square; Kate Middleton, 24, at a June 2006 Chakravarty Polo Match, in Surrey, England.

Ken Goff, Time & Life Pictures / Getty Images; Mark Stewart, Camera Press / Retna

Equine Chic, Part Two

Diana, in 1981, at Sandover Park after Prince Charles fell off his horse during a steeplechase; Kate Middleton on the first day of the Cheltenham Races in March 2007.

AP Photo; GoffINF.com

Down to Earth

Diana visits land-mine victims in Bosnia in August 1997; Kate Middleton in Chapel Row.

Tim Graham / Getty Images; Alpha /Landov

Mood Indigo

Diana, in a blue lace dress by Catherine Walker, at the 1997 London premiere of In Love and War; Kate Middleton, in August 2006, leaves London's Cuckoo Club.