stella mccartney denim dress Mini Great for a casual day out Stella McCartney Younger Girls Blue

This design features a boxy fit, spread collar and buttons down the front

White is so simple and gorgeous color that we can style it with every color of the dress

The waistline drops into a sharp, pointed seama highly fashionable detail in the late 30s and 40sbefore falling into a sweeping midi-length skirt

I really like this lightweight cardigan (under $18) that is the perfect length to wear with shorts or leggings and comes in several different colors

Our fashion expert added, "Monochromatic styling also looks inherently chic in this case, opt for shoes in the same color of blue as your dress." For example, if you're wearing a sky-blue dress, go with sky-blue shoes (for more tips, check out our guide to putting together the perfect monochromatic outfit)