As for what's trending for halloween nails this year? While you’re at it, you may also want to check out these nails that are trending for fall: Web ahead, we’ve sourced six sets of halloween nails that’ll serve as the ultimate mani inspiration for anyone with a taste for the ghoulish this season. For many people, this is a. Web whether you are looking for cute halloween nails, creepy halloween nail art, or just simple halloween nail designs, i have rounded up the best ones waiting for you to see!.