Miley Cyrus made a surprise appearance on this week’s Billie Eilish hosted episode of Saturday Night Live, appearing as a living Christmas card.The sketch, which sees family Christmas cards come to life and tell the audience what’s really happening behind the scenes of the festive shoots, sees Cyrus star alongside Punkie Johnson.“What better way to remind you that I met a celebrity at a restaurant 11 months ago than with my Christmas card?” said Johnson.“This woman came up to my table and said,