Kate Middleton attending the 60th anniversary of Queen Elizabeth II enthroned.

Kate Middleton look stunning with Alexander McQueen fashion design while attending the 60th anniversary of Queen Elizabeth II enthroned.

Dress is taken from the McQueen collection in Summer 2011 and although the collection of old, she still looks elegant while wearing them. Prince William's wife was also seen wearing a matching hat works of Sylvia Fletcher of James Lock & Co.

 
Prince Philip, The Duke of Edinburgh, Queen Elizabeth II, Camilla, Duchess of Cornwall, Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge on board the Spirit of Chart well during the Diamond Jubilee Pageant on the River Thames during the Diamond Jubilee Thames River Pageant on June 3, 2012 in London, England. For only the second time in its history the UK celebrates the Diamond Jubilee of a monarch. Her Majesty Queen Elizabeth II celebrates the 60th anniversary of her ascension to the throne. Thousands of well-wishers from around the world have flocked to London to witness the spectacle of the weekend's celebrations. The Queen along with all members of the royal family will participate in a River Pageant with a flotilla of a 1,000 boats accompanying them down The Thames, the star studded free concert at Buckingham Palace, and a carriage procession and a service of thanksgiving at St Paul's Cathedral.

Catherine, Duchess of Cambridge takes part in The Thames River Pageant.

Prince Harry, Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge on the royal barge 'Spirit of Chartwell' during the Diamond Jubilee Thames River Pageant on June 3, 2012 in London, England.

Prince Harry, Catherine, Duchess of Cambridge, Prince William, Duke of Cambridge and Prince Philip, Duke of Edinburgh onboard the Spirit of Chartwell during the Diamond Jubilee Pageant on the River Thames during the Diamond Jubilee Thames River Pageant on June 3, 2012 in London, England.

Duchess of Cambridge and Prince William look out from the Spirit of Chartwell during the Diamond Jubilee Thames River Pageant on June 3, 2012 in London, England. William, who had on his Royal Air Force uniform for his grandmother's special day, is the Commodore in Chief of the Royal Navy Submarine Service.

Kate Middleton was a standout at Queen Elizabeth's diamond jubilee river pageant on the Thames in London over the weekend outfitted in a scarlet Alexander McQueen dress that she paired with a flamboyant red feathered hat by Sylvia Fletcher. But it was another accessory that stood out on the festive occasion: the duchess' brooch. "Kate's wearing a maritime-themed brooch featuring two silver dolphins. It's a gift from the Royal Navy Submarine Service." Middleton reportedly received the pin as a wedding gift.

Because the old collection, the clothes have been worn since the two celebrity fashion show Spring / Summer 2011. On July 2011, for example, the jury television show The X Factor is the literature of ever wearing a dress in a sleeveless version. The same was done by Kim Kardashian is seen wearing the red dress while attending an event in New York in August 2011. The difference is, Kim's dress is modified to be shorter.

It is not the first time celebrities seen wearing the same clothes, this time turn Kate Middleton and Kim Kardashian.

When Kim and literature of both wear dress with a sleeveless version, Kate chose a long-sleeved version is more appropriate for the celebration of the Queen at the same time make it look more elegant.