According to Glamour's wedding blog, it's imperative that you limit the wands and Gryffindor ties at your nuptials, lest it turn into a "10-year-old's birthday party." Did you and your beloved meet online through a post about Harry Potter? Too bad. Your Potter-themed wedding is likely to be a "cheesy, magical mess," and the mag that covers "The Secret Celeb Butt Workout" would like you to keep it classy. And geeks, don't even get them started on that Star Wars wedding you've been dreaming of.