Check Out What Your Favorite Pop Stars Are Wearing This Halloween

1. Katy Perry as a giant, sad Cheeto

2. Taylor Swift as a Pegacorn

3. Beyonce as Janet Jackson

4. North West as Pepe le Pew

5. Justin Bieber as the Red Power Ranger

6. Lucy Hale as Twitter

7. Rachel Zoe as the Evil Queen

8. Jessica Alba as Slash

9. Paris Hilton as a Playboy Bunny

10. Liv Tyler as an oven

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