Girl Squad Halloween Costumes

Gather your squad, women of the Internet — it's time to plan your group Halloween costume.

Taylor Swift's "Bad Blood" video cemented 2015 as the year of the girl squad — so we're betting that you and your friends want to assemble a group costume to be reckoned with this Halloween.

SEE ALSO: Who runs Instagram? Girls.

Whether you want to go cute, badass, topical or a combo of all three, here are 20 girl squad Halloween costumes so cool, they'll make T-Swift nod in approval from miles away.

Her friendship detector is very, very strong.

1. Heathers

2. A League of Their Own

3. Neapolitan milkshakes

4. Emoji squad

5. Fantanas

6. Will Ferrell characters through the ages

7. Hocus Pocus

8. Powerpuff Girls

9. Pretty Little Liars

10. Sailor Scouts

11. Spice Girls

12. Furiosa and the Five Wives

13. Villains

14. All-Girl KISS

15. H2O

16. Orange is the New Black

17. Troll Dolls

18. Ghostbusters (the reboot, of course)

19. Barden Bellas from Pitch Perfect 2

20. And of course, the Bad Blood gang.

Posted in: Halloween