Get ready for your fiercest fall yet! In GL's October/November issue, Black-ish star Yara Shahidi shares her secrets to speaking out and standing up; celeb mani maven G Hannelius reveals how to fab up your fingertips (don't miss our very own beauty editor's nail-biting confession); and your fave style stars reveal the 10 trends that will freshen up your fall'drobe. Score the ultimate fall face, solve every period prob (is your flow normal?), *finally* catch your crush's eye and slay your next sleepover. Plus: Does your BGF secretly like you? (take the quiz before you answer!), a yogi's guide to instant zen, the 8 habits you need to break ASAP and all your sticky school sitches…solved. Everything you need for an amaze autumn—and it's all inside!