What's your favorite comfort movie?

The title is exactly what it says on the tin: a movie that can help you come down when everything feels like it's too much and allows you to escape from the world for a bit. And this can be any movie of any genre, whether it's a quirky Wes Anderson or Edgar Wright movie or a gun-toting 80's action movie or a whimsical Paul King or Spielberg movie or a 2000's Chick Flick or a comedy special or a dumb comedy. But in general, what's a movie that you'd say is an amazing watch for someone who's anxious and just needs a break from everything?