If you ever had any doubts about how hilarious Billy Eichner is, the Christmas carol ambush he did on the streets of New York for Billy on the Street with Amy Poehler, should tie up those loose ends.

If you ever had any doubts about how hilarious Billy Eichner is, the Christmas carol ambush he did on the streets of New York for Billy on the Street with Amy Poehler, should tie up those loose ends.