Kate Middleton Dons Electric Blue Stella McCartney Dress for Olympic-Themed Exhibit (PHOTOS)

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Kate Middleton was royally blue this morning – but in the best way possible.

The Duchess of Cambridge donned a stunning electric blue shift dress as she helped open a National Portrait Gallery exhibit in London.

So who designed her fashion-forward frock?

None other than Stella McCartney.  The 1960s-inspired three-quarter sleeve dress sells for just over $800; Middleton paired it with Prada heels.

The photo exhibit, entitled “The Road to 2012: Aiming High,” presented more than 100 newly commissioned photographic portraits of London athletes and Olympic figures including diver Tom Daley, track cyclist Victoria Pendelton and track and field star Jessica Ennis.

At the event, 30-year-old Middleton greeted several of the photographers whose work was on display, along with a few of their subjects.

One-time torchbearer Diana Gould, age 100, met with Middleton and reportedly told her she gets her energy from being a “chocoholic.”

The day’s theme may have inspired Middleton’s choice in jewelry: she wore an Olympic-inspired gold necklace that featured five rings. Her dress’ designer has ties to the upcoming games, also: McCartney has created the Olympic uniforms that will be donned by Great Britain’s team this summer.

In other royal news, the wedding dress that Middleton wore when she walked down the aisle with Prince William has raked in a record-setting amount of money.

The Sarah Burton for Alexander McQueen bridal gown became the star attraction of an exhibition at Buckingham Palace last year, and since then, some 626,000 people have trekked there to see it.

In all, the gown helped the exhibition net more than $15 million in ticket sales.

Would you buy Kate’s Stella McCartney dress? Sound off in the comments.

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