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Don't look away from your TV, or Justin Bieber might appear: after surprising Daily Show fans by opening the show in Jon Stewart's chair on Thursday night, the singer is expected to make a surprise appearance on Saturday’s episode of Saturday Night Live. He appeared as the show's musical guest in April 2010, and starred in several skits with guest host Tina Fey. Bieber is popping up all over television to promote his new movie, Never Say Never, which opens February 11.