Well, consider this post your warning. Here are the top 10 Halloween costume trends for 2014 according to retailer Party City.
Show up to a Halloween party in any of these get-ups and you are bound to have an equally unoriginal twin...
10) Disney Princesses
Credit: Walt Disney Animation Studios
9) Zombies
8) Monster High
Credit: Universal Pictures
7) Cirque du Burlesque
6) Superheroes
5) Geeks
Credit: Interscope Communications
4) Rainbow Ravers
3) Black & Bone
Credit: Lady Gaga; Interscope Records
2) Minions (Despicable Me)
Credit: Illumination Entertainment
1) Frozen (of course)
Credit: Walt Disney Animation Studios
Bert & Ernie Image Credit: John Paul Smith via flickr