If you're looking for fresh Halloween [1] costume inspiration, we've pulled together the most creative ideas inspired by the year's biggest pop culture moments [2]. These sexy, scary, and badass costumes based on the characters and celebrities we couldn't get enough of in 2017 are sure to be a hit at your Halloween party. So get ready to have the most popular costume this year, and check out more 2017-inspired costume ideas here [3]!