This singer was all decked out in tinsel and red, and the inpainting model added a grumpy old man in a top hat. I don't recall clicking the "Add creepy old man" button.
Obvious reference to the Dickens story A Christmas Carol. In the UK there's a bylaw that requires Christmassy events to hire a Scrooge-like figure to lurk in the background so people keep their enthusiasm in check.