This post has not been vetted or endorsed by BuzzFeed's editorial staff. BuzzFeed Community is a place where anyone can create a post or quiz. Try making your own!Buzz·Posted on Oct 31, 201416 People Whose Pop Diva Halloween Costumes Nailed It In 2014You're gonna hear them roar.by Jane DoeCommunity ContributorLinkFacebookPinterestTwitterMail 1. Taylor Swift View this photo on Instagram 2. Lorde View this photo on Instagram 3. Nicki Minaj View this photo on Instagram 4. Miley Cyrus View this photo on Instagram 5. Katy Perry View this photo on Instagram 6. Demi Lovato View this photo on Instagram 7. Beyoncé View this photo on Instagram 8. Iggy Azalea View this photo on Instagram 9. Kesha View this photo on Instagram 10. Carrie Underwood View this photo on Instagram 11. Madonna View this photo on Instagram 12. Christina Aguilera View this photo on Instagram 13. Rihanna View this photo on Instagram 14. Meghan Trainor View this photo on Instagram 15. Lady Gaga View this photo on Instagram 16. Miranda Sings View this photo on Instagram