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Every outfit Kate Middleton has worn to Trooping the Colour

Kate Middleton has been a very fashionable fixture at the Trooping the Colour - the official celebration of the Queen's birthday - since her and Prince William got married in 2011. Every year since then, we've watched the Duchess in the carriage with Camilla as she arrives at Buckingham Palace wearing numerous chic and sophisticated outfits.

Click through the gallery to see how Kate's look has transformed since her first Trooping the Colour in 2011, to now...