Once again, it's that time of year when we delight in dressing up in spooky costumes. However, every Halloween, many of us struggle to come up with ideas for our outfits. After all, how many times can you be a vampire, a witch, or a skeleton? Thankfully, celebrities have given us some of the greatest costume inspiration over the years, as well as quite a few looks to avoid...
Take a look through the gallery and let yourself be inspired by the best (and worst) celebrity Halloween costumes.