Shoppers go wild for M&S polka dot dress that's giving 'Pretty Woman' vibes & is perfect to dress up or down this summer Explore Brown Polka Dot Dresses for Every Style and Occasion Brown Multi Petite Polka Dot Print Midi Dress WHISTLES Whistles US The brown dress with white polka dots worn by Julia Roberts in the polo match scene of Pretty Woman still sticks in the memory as a stand out style moment in cinema,