Ellen DeGeneres Puts Herself in Justin Bieber’s ‘Mistletoe’ Video and It’s Perfection London, ON, Canada / 103.1 Fresh Radio Liz Gogol December 19, 2017 02:53 pm Something tells me you never noticed that everyone’s favourite comedian Ellen DeGerenes had a cameo in Justin Bieber‘s ‘Mistletoe’ music video. . via GIPHY . That’s probably because she never had one… until now! Check out her spoof below: .