Suki Waterhouse proves go-go boots and giant coats are here to stay, and they make the perfect pieces to channel the rock 'n' roll hippy days—the only vibe to bring to a music festival.

While you’re planning on who will take the kids out trick-or-treating, let’s talk about costumes. Yes, as cliche as it sounds, dressing up on this spooky holiday night is a treat for you and ...