Your style guide to Halloween 2015, check out our picks for this year's best Halloween costumes, whether you're looking for a sexy Halloween costume or something a little more scary. Check out photos of celebrity Halloween costumes on Instagram--or get easy couples' costume ideas and dress up as your favorite celeb duo. Our Halloween makeup tutorials will transform you into whatever pop-culture character you're going for. Plus: Follow our Halloween recipes to create spooky (and tasty!) treats.