Taking her from weekend playdate to party time, our edit of designer girls' tops will ensure she's always as pretty as a picture, with girl’s T-shirts and girl’s shirts ensuring both smart and casual occasions are covered. While Ralph Lauren Kids’ classic polo shirts and printed designs by Juicy Couture, Kenzo and Burberry are the answer to everyday style, party panache calls for chic designs from the likes of Chloé and Stella McCartney.