Popstar Mashup: Celebs As Each Other

Going as your favorite celebrity has always been a popular Halloween costume, but this year, the most popular names in music dressed up as each other.

Harry Styles went as an even more x rated (is that possible?) Miley Cyrus. Losing the bikini top in his version of her look from the VMAs.

Katy Perry donned a cutoff tee, backwards hat, and her best faux-nonchalant facial expression to go as pop bad boy, Justin Bieber.