Former French Concession is the area once designed for the French in Shanghai from 1849 until1943. Nowadays it has become one of the most charming areas in Shanghai, with its delightful tree-lined streets and trending bars and restaurants.
Take line 10/9/1 to IAPM (a giant polished shopping mall in the middle of FC) and just wander around. You will always run into a cute store/cafe right around the corner.