51 Halloween Costumes You & Your BFF Will Completely Slay

11. Uncle Sam & Lady Liberty:

12. Blue and Magenta:

13. Google Map’s destination:

14. Spongebob & Patrick:

15. Cookie Monster & Elmo:

16. Mermaid Man & Barnicle Boy:

17. Lizzy & Miranda McGuire:

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Lizzie and Miranda @fearngriffin101 #bestfriendcostumes #heynowheynow #fearnistheone

A post shared by fleurieharrison (@fleurieharrison) on Mar 12, 2016 at 9:52am PST

18. Daria & Jane from Daria:

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Friends #daria #janelane #halloweencostume #friendcostumes #costume #halloween

A post shared by The Best Halloween Costumes (@thebesthalloweencostumes) on Mar 14, 2016 at 4:30am PDT

19. Tweedle Dee and Tweedle Dum from Alice in Wonderland

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"Contrariwise, if it was so, it might be; and if it were so, it would be; but as it isn't, it ain't. That's logic." #tweedledeeandtweedledum #aliceinwonderland #bestfriendcostumes #fallfestival

A post shared by Jessica Cabrera (@jessscabrera) on Oct 29, 2016 at 7:39pm PDT