This was so clever, I was a little angry that I hadn’t thought of it first.
I’m rather chuffed to say that I went to SupaNova with this one (chemi-cat.tumblr.com)! A group of us from college all dressed up:
From the left is KC as the ninth Doctor, myself as the tenth, a friend from class as the 11th and a friend of his also as the tenth. I don’t yet have a picture of us all together, but my girlfriend went as Rose, another friend went as Idris, another as Captain Jack, another as policewoman kiss-o-gram Amy, and another as the 11th. :) We were the International House Doctor Who Horde (Sarah can be an honorary Housie).