Chris Jackson - Pool/Getty Images

WHAT SHE WORE The Duchess of Cambridge visited the Calgary Zoo in a Catherine Walker coatdress accessorized with a nude clutch and matching L.K. Bennett pumps.

WHY WE LOVE IT Middleton's bold red ensemble perfectly set off a stunning diamond maple leaf brooch, on loan from Her Majesty the Queen.

CELEBRITY: Kate Middleton

TREND: Clutch

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Catherine Middleton

Catherine Middleton in Catherine Walker