Filippa, 20, Stockholm - A graphic tee and bright accessory personalize an all-black outfit. Adeline, 19, Paris - Graduated necklaces and a cuffed blazer make basics look better. Karen, 28, New York - Tie-dye prints can be chic when mixed with neutral layers. Zanita, 20, Sydney - Bright accent pieces give you a spring look in a weather-appropriate way. Jenna, 22, Los Angeles - A body-con top and combat boots balance casual cutoffs. Shelly, 17, Sweden - A denim jacket is the perfect casual cover-up this spring.