Celebs respond in a lot of different ways when being made fun of on Saturday Night Live. Some get angry, while some come onto the show and join in the joke.
But leave it to Justin Bieber to invade the performers’ dreams!
Ch-ch-check out the video (above) to hear how SNL funny lady (and part-time Ellen DeGeneres impersonator) Kate McKinnon tells Ellen all about her Nightmare on Rockefeller Center!