"Thank you for booking for
Star Wars: The Force Awakens. We hope you are looking forward to your screening!
Ahead of your visit, we wanted to let you know that due to security policies at The O2, customers arriving in costume will be required to remove anything that may cover your face for identification purposes. Additionally, replica firearms are discouraged and may be confiscated by security. "
Would a toy lightsaber count as a replica firearm?? (Not that I'm sad enough to dress up)