8 reasons why Seth Rogen's 'The Night Before' is the year's new holiday comedy classic

One of the joys of the film is its appreciation of a holiday classic like Run DMC's 1998 anthem "Christmas in Hollis." The three friends in the movie perform the song a couple of times in very different settings. In both instances it's perfect.

One half of the funniest duo on television, comic Ilana Glazer briefly parts from her "Broad City" pal Abbi Jacobson so she can make Mackie's life a living hell in the movie as the "Grinch" of the story.

Some of the funniest moments in the movie involve Rogen high on many different drugs. From hallucinations to weird text messages, Rogen can never straighten himself out, and it's great.

There's just something about grabbing a mic and acting foolishly in front of bar patrons that defines the holiday spirit. "The Night Before" highlights this as one of the guys' annual Christmas Eve traditions.

Miley Cyrus is fantastic during a pivotal moment in the film, but let's just say there are a couple other fun cameos under the Christmas tree that we won't spoil.

Every holiday comedy needs a character who's the moral center, and "Workaholics" star Jillian Bell is perfectly cast as that. She holds her own opposite the guys — it seems anything that comes out of her mouth is comic gold.

Do we really have to say more? Shannon's dry delivery is used gloriously as he plays a drug dealer/Christmas spirit.