If the ambition is to provide two hours of instantly forgettable, popcorn-munching escapism, it succeeds.

As somebody who had not heard any of this before, it became a curious phenomenon to sit and watch a film and slowly have the realities begin to click into place.

The joyful confection is coated in a sparkly gloss, bright enough to gleam from the darkest, most cynical corners.

One of the film's great tricks is that, for a time, you think it will go down a rabbit hole of unrealistic glorification.