Seeking a little outfit inspiration? Here’s our A-list of Halloween appearances...

1. Katy Perry as a Cheeto

2. Rihanna as a Teenage Mutant Ninja Turtle

3. Kelly Ripa and Nick Lachey as Kim Kardashian and Kris Humphries

4. Emily Ratajkowski as Marge Simpson

5. Fergie and Josh Duhamel as Karl Lagerfeld and Choupette

6. Beyoncé as a bumble bee

7. Kim Kardashian as Anna Wintour

8. Rita Ora as one of the Bananas in Pyjamas

9. Alexa Chung as Marie Antoinette

10. Jemima Khan in her gorilla and cage costume