Petite dress by Miss Selfridge Petite, Plain design, A wardrobe staple, V-neck, Button placket, Slim fit - a narrow cut that sits close to the body. Miss Selfridge takes you from day to date night with its off-duty looks and full-on glamour. Petite gals can solve what-to-wear dilemmas with its dresses and separates that combine its inherent femininity with perfectly proportioned cuts, too.