Credit: Lefteris Pitarakis - WPA Pool/Getty Images Photo: Prince William and Kate Middleton Attend Reception at St. James's Palace in London on November 10

Kate Middleton, Duchess of Cambridge, stepped out with her royal hubby for a black-tie reception in aid of the National Memorial Arboretum Appeal at St. James's Palace in London on November 10.

Along with her fancy title and princely arm candy, she wore a stunning, Grecian-inspired gray Jenny Packham gown.

We think she pulls off the elegant look flawlessly — but it’s not up to us to make the call. Sound off in the poll below!

Curious about the poppy flowers everyone’s wearing? They mark Remembrance Day, a memorial day that has been observed in England and other countries since the end of World War I in honor of members of their armed forces who have died in the line of duty.

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