Going to a Halloween party as a group? Then you'll need some group costume ideas. Synergy works and it's a total win and it makes really good pictures too. Check out some of the really cool ideas on what to go as as a group.

1.


2.


3.


4.


5.


6.


7.


8.


9.


10.


11.


12.


13.

14.


15.


16.