Kate Middleton’s Blue Shift and Diamond Necklace: All the Details!

Courtesy Photo (2); Tim Rooke/Rex / Rex USA
Courtesy Photo (2); Tim Rooke/Rex / Rex USA

It looks like Catherine, Duchess of Cambridge went shopping this week! The royal attended a special Olympic Games exhibition at London's National Portrait Gallery wearing a new look--Stella McCartney's cobalt blue shift. We love the symbolism of choosing this British designer, the same person behind the Great Britain's Olympic uniforms. The Duchess paired the dress with aCartier trinity necklace, which features pink, yellow, and white gold dotted with diamonds. While you can shop the dress for $658 at matches.com, the necklace is a little steeper, available at cartier.com for $76,895. (Perhaps it was a 30th birthday gift?) Tell us: Do you like the look?

Plus, see more of Kate's looks in our gallery!

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--Caitlin Petreycik