DSDD / JRAB / ZOB / ZDF / WENN 1 / 12
DSDD / JRAB / ZOB / ZDF / WENN 1 / 12

Dang, duchess!

Duchess Kate helped Queen Elizabeth kick off the Diamond Jubilee tour at St. Pancras train station in London on Thursday, and she dazzled royal watchers in one of her most showstopping looks of the year.

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The Duchess of Cambridge, 30, flashed her legs and seemingly perfect figure in a ladylike, 1930s-inspired teal suit by LK Bennett (designer of her beloved, frequently-worn nude pumps) with a tiered structure and a belted waist, plus a James Lock hat.

PHOTOS: See Kate as a little girl

The duchess and the queen, 85, provoked good-natured melee among royal watchers at the train station. The Diamond Jubilee marks the queen's 60 years on the throne.

PHOTOS: Kate's most amazing moments so far

Prince William is currently completing his duty in the Falklands.

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