EntertainmentAP One fan dresses up as the "girl on fire" from "The Hunger Games."
Dressing up for SDCC has become a tradition that people take very seriously. While some dress up in traditional store bought costumes others go out of their way to spend hundreds of dollars creating their own unique looks.
More recently, celebrities have found it's an easy way (sometimes) to get around the Con undetected while still being able to mingle with fans.
From regular fans to professional cosplayers, we've compiled some of the best outfits worn by fans at this year's event.
If you've seen any great cosplay, email me at kacuna[at]businessinsider.com.