For its Pre-Fall 2012 covers, i-D Magazine asked Terry Richardson to photograph a group including Cara Delevingne, Kelly Mittendorf, and Charlotte Free. The issue is billed as a "celebration of what it means to be young today," and editors at i-D selected these three to represent the young people who will shape the future of the world. But the magazine notes that youth isn't an age — it's a state of mind. "Feeling youthful is finding joy and pleasure in everything you do, whatever your age," its editors write. Let's see who'll join the youthful models on the magazine's additional covers. For now, a glimpse at these bright young things in the gallery.