As the pregnant Duchess of Cambridge turns 31 on January 9, we take a look back at her sartorial successes (20 Photos)
Teal appeal
Kate took our breath away in a floor length pleated Jenny Packham gown at the Royal Albert Hall to celebrate the countdown to the London Olympic Games on 11th May.
Red carpet glamour
In her first appearance at a film premiere, Kate takes to the red carpet like a pro in an elegant floor length Alice Temperley dress at the premiere of War Horse in Leice
After dark...
She's rarely seen in black, but here Kate Middleton goes all out in a strapless black velvet floor length gown by Alexander McQueen at the Sun Military Awardsin December 2
WOW.
Jenny Packham triumphs again in this beautiful grecian gown which Kate wore at a St James's Palace dinner in November 2011.
Wrapped-up elegance
And winning Best Coat accolade so far is this gorgeous LK Bennett wool number cleverly paired with a matching red crocodile leather belt.
Ahoy!
Kate takes a trip to Birmingham in a nautical inspired top and pencil skirt.
Racey in lace
Kate carefully treads the line of flirtiness and modesty in a tight-fitting royal blue dress with lace detail at the shoulders in Quebec, Canada, in July 2011.
Wedding flowers
A royal wedding calls for eye-catching head gear, and Kate rose to the challenge in this ornate lemon yellow hat at the celebration of Zara Phillips's nuptials in July 2
Fit for a princess
Kate Middleton looks utterly dreamy in a simply perfect lilac sweeping floor length gown that just had to be by the one and only Alexander McQueen.
Channeling Mary Poppins...
We love when Kate wears red, and this Catherine Walker skirt coat cut a gorgeous shape on the princess in Calgary, Canada in July 2011.
Pastels on the lawn
When she's not in something knee-length and tailored, Kate often goes ultra feminine in lighter fabrics and pastel shades.
'Sup cowgirl?
Kate dons a stetson and shirt tucked into belted jeans to blend into the crowd at the Calgary Stampede in Canada in July 2011.
Pretty in purple
In an exciting departure from the usual subtle tones, Princess Catherine plumps for a bright purple jersey dress by Issa and a rarely sported up 'do on day 2 of the cou
Lady-like lace
Upon arrival in Canada on June, 30, Kate changed into a knee-lenght floral lace number from the pre-spring 2012 collection of Montreal-born designer Erdem Moralioglu.
Beginning of Royal Tour
The Duchess arrives at Heathrow airport on June, 30 to board a plane to Ottawa, Canada with her husband for the first leg of their Royal Tour together.
Tennis fan
Prince William took keen teenis fan Kate to the 2011 Wimbledon Championship on June, 27, where she s
Military style
Celebrating the third Armed Forces Day at her first military ceremony at Windsor Castle on June, 25 Kate looks the part in a double-breasted coat with gold buttons
Matchy-matchy
The Duchess of Cambridge shows off a silver Philip Treacy headpiece complimented with a matching coat, dress and clutch while watching the Garter Service pass by on June
Shades of blue
At Prince Philip's 90th birthday on June, 12 in Windsor, Kate works one of her favourite colours and looks pretty as a picture in yet another stunning hat creation a
Something old...
The Duchess has always been a fan of recycling her old outfits.
Classy in white and black
The coat, the hair, that hat - Kate oozes sophistication standing on the balcony of Buckingham Palace after the Trooping the Colour Parade on Ju
Dazzling in sequins
The Duke and Dutchess make their first public engagement on June, 9 at the 10th Annual ARK gala dinner at Kensington Palace.
Hats off to Kate
Catherine is consistent in her choices of elegant outfits.
High street fashionable first lady
Kate's bandage-style Shola dress worth £175 from Reiss, which she wore when meeting with the Obamas in Buckingham Palace on May, 24, turned
Newlyweds
The loved-up couple leave the Buckingham Palace the day after their wedding and a waiting helicopter takes them to a secret honeymoon location.
A Duchess in white
Kate, wearing what could easily be a second show stopping wedding dress, heads to Buckingham Palace for the evening celebrations following her wedding to Prince Wil
Royal bride
Kate marries her prince and becomes the Duchess of Cambridge in a stunning creation by Alexander McQueen on April, 29 at the wedding ceremony of the year!
In the trenches
Kate Middleton's most recent public appearance in Belfast, Northern Ireland, sparked yet another sell out in the shops.
Regal in red
Kate pays a visit to her old uni in St Andrews in a pure-wool scarlet jacket and skirtby Italian ready-to-wear label Luisa Spagnoli which she picked up in Knightsbridge, London
Fascinating
At her first royal engagement in February, Kate attends the Naming Ceremony and Service of Dedication of the Atlantic 85 Lifeboat 'Hereford Endeavour' at Trearddur Bay L
The announcement
And then...Kate and Wills announce their engagement on 16 November 2010.
A wedding before the wedding
A month before announcing their engagement, Kate a Wills attend Harry Meade & Rosie Bradford's wedding in Cheltenham in October 2010.
Pretty in peppermint
Kate watches Prince William and Prince Harry play in the Chakravarty Cup polo match in Tetbury.
Electric blue
Kate's spotted sporting a rare up do at the UK Premiere of 'Tenacity Of The Tasman' at Odeon Leicester Square in London in November 2009.
Lovely in lavender
Kate attends the wedding of Nicholas van Cutsem and Alice Hadden-Paton at The Guards Chapel, Wellington Barracks in August 14, 2009.
Midnight blue
Back at Kate's favourite - the Cheltenham Horse Racing Festival - she does effortless chic in a navy mac and black accessories in March 2008.
Disco diva
Hazy reports of reconciliation with Prince William dominate by September 2008 as Kate dons day glo disco gear for a roller disco in London.
Serene in green
Kate chooses an elegant bottle green dress to attend the book launch party of 'Time To Reflect' by photographer Alistair Morrison, at Bluebird, London, in November 2
Prep Princess
Kate chooses the preppy sweater-over-a-shirt look and belted skirt to appear at the Badminton Horse Trials in May 2007.
Lady Action
Kate dons sporting gear as she takes part in a training session with the Sisterhood cross Channel rowing team on the River Thames in August 2007.
She's all white
A month following her split from Prince William, Kate Middleton attends a book launch in a pretty white knee-length dress, London, May 2007.
Tres chic
...we much prefer her choice of outfit for the final day of the Cheltenham Festival, March 2007.
Out on the razz
Kate hits the London tiles in a gorgeous silk print dress in February 2007.
After dark
Kate attends the Sony Ericsson WTA Tour's pre-Wimbledon party at The Roof Gardens in London, June 2006.
Regal in red
Kate wears a striking red jacket and black hat as she watches boyfriend Prince William taking part in the Sovereign's Parade at The Royal Military Academy in Camberley, Dec
Sloane rangers
Kate and William do his and hers on the first day of the annual Cheltenham Race Festival in March 2007.
High tea
Kate looks pretty as a picture as she attends an opening party for new shop Bluebird in London, June 2006.
Flirty feathers
It's this photo that made us realise that fascinators were not just for middle aged mothers of the bride.
Lady in red
...and she's as equally accomplished doing the casual look in a sweet red wrap around dress seen here at the Ham Polo Club in Richmond, June 2006.
Siberian girl
By 2006 graduate Kate's already become one-to-watch in the fashion stakes, named 'Most Promising Newcomer' in the Telegraph's list of style winners and losers.
Thinking man's crumpet
Kate does sexy scholar in a short skirt at her University of St. Andrews graduation ceremony in June 2005. Kate obtained a 2:1 degree in History of Art.
High society
Kate looking every bit the society girl at the wedding of Hugh Van Cutsem and Rose Astor in Burford, June 2005.
Country girl
Kate attends the Festival of British Eventing in a cool cowboy hat and brown knee-high boots at Gatcombe Park in Stroud, August 2005.
On the slopes
Kate sports red ski gear as she joins in with the royal ski party in Klosters, Switzerland, in March 2005.
Casual Kate
The then 23-year-old Kate Middleton on the day of her graduation in casual white vest and jeans with her father Michael Middleton in St. Andrews in April 2005.