Polka-dot princess! Kate is radiant in Alessandra Rich dress as

Polka-dot princess! Kate is radiant in Alessandra Rich dress as she arrives for Garter Day

Kate Middleton stuns in striking polka dot dress for surprise Wimbledon outing

Kate Middleton: Royal dazzles in blue and white dress at Wimbledon - pictures

Kate Middleton Wore Another Sell-Out Dress And Here's Why We Love It So Much

Kate Middleton can't get enough of polka dots as she wears £1,335 Alessandra Rich dress at Wimbledon

Kate Middleton's figure-flattering Wimbledon polka dot dress has £69 M&S lookalike

Kate Middleton stuns in striking polka dot dress for surprise Wimbledon outing

Kate Middleton wows in Alessandra Rich dress as she make surprise appearance at street party

Polka-dot princess! Kate is radiant in Alessandra Rich dress as she arrives for Garter Day

The Duchess of Cambridge dons elegant Alessandra Rich to pay her respects at Prince Philip's memorial service

Kate Middleton's Polka Dot Looks in Photos

Polka-dot princess! Kate is radiant in Alessandra Rich dress as she arrives for Garter Day

Kate Middleton's Alessandra Rich Dresses & Skirts

Kate Middleton is a vision of summer in polka dot dress for Royal Ascot