I attended the Sci-Fi Weekender
[link] in Pwllheli (not the name of an alien planet, disappointingly) this weekend just gone and, as the title suggests, enjoyed participating in my first ever flashmob - a Jedi vs Sith gatecrash of the friday night party

See the video here -
[link] - I can be spotted at 2:34, dressed as Mara Jade-Skywalker
[link] , if you fancy trying to spot me