Royal fashion icon Kate Middleton's fashion choice for her eleven-day royal tour of California and Canada has been a hot topic of discussion in the last few weeks.

Many top designers across the world vied with each other in order to get the privilege of dressing one of the most watched women in the world.

However, as the 29-year old Duchess arrived at the Macdonald-Cartier International Airport in Ottawa, Canada, she demonstrated once again her ability to make the right fashion statement at the right place. Not only was her choice stylish but also diplomatic as she opted for a navy-blue lacy dress by Erdem.

Based in London, Canadian-born designer Erdem Moralioglu is known for exquisite creations. Erdem has dressed some of the most famous women in the world including Michelle Obama, Sarah Brown and Samantha Cameron apart from a number of Hollywood stars.

The navy-blue dress that the Duchess wore was from Erdem's 2012 resort collection which she complimented with her nude platform pumps and a simple clutch bag.

Catch a glimpse of the Duchess below in her diplomatic fashion ensemble:

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Kate Middleton makes diplomatic fashion choice during official Canada tour.
Kate smiles at someone in the Royal Couple's receiving line Ottawa's Macdonald-Catier International Airport in Canada June 30, 2011. Reuters
Kate Middleton makes diplomatic fashion choice during official Canada tour.
Catherine, Duchess of Cambridge is given flowers by Kellen Schleyer as she arrives at Ottawa's Macdonald-Catier International Airport in Canada June 30, 2011. The Royal couple arrived in Canada on Thursday for their first official visit overseas as a married couple. Reuters.
Kate Middleton makes diplomatic fashion choice during official Canada tour.
Canada's Prime Minister Stephen Harper (L), Britain's Prince William and his wife Catherine, Duchess of Cambridge (R) arrive at the National War Memorial in Ottawa June 30, 2011. The couple will tour seven cities in four provinces and one territory in Canada before heading to California on July 8. Reuters.
Kate Middleton makes diplomatic fashion choice during official Canada tour.
Britain's Prince William (L) and his wife Catherine, Duchess of Cambridge arrive at the National War Memorial in Ottawa June 30, 2011. Reuters.
Kate Middleton makes diplomatic fashion choice during official Canada tour.
Britain's Prince William (R) and his wife Catherine, Duchess of Cambridge wave to admirers following a ceremony at the National War Memorial in Ottawa June 30, 2011. Reuters.
Kate Middleton makes diplomatic fashion choice during official Canada tour.
Britain's Prince William and his wife Catherine, Duchess of Cambridge arrive at Ottawa's Macdonald-Catier International Airport in Canada June 30, 2011. Reuters.
Kate Middleton makes diplomatic fashion choice during official Canada tour.
Britain's Prince William (L) and his wife Catherine, Duchess of Cambridge lay a wreath and flowers at the National War Memorial in Ottawa June 30, 2011. Reuters.
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