Michael Dunlea/Startraksphoto.com

WHAT SHE WORE The Duchess of Cambridge paid a visit to a homeless shelter in a belted Ralph Lauren design and knee-high Rumba boots.

WHY WE LOVE IT Middleton looked cozy and chic in her festive sweaterdress.

CELEBRITY: Kate Middleton

DESIGNER: Ralph Lauren

TREND: Belts

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Catherine Middleton

Catherine Middleton in Ralph Lauren