It's funny watching the elements come together in this complicated scam. On one hand, the set-up isn't quite as complex as it seems, but there's an easy sense of fun in every exchange.

Go in cold, and you're likely to emerge with your blood boiling. This has to be seen to be believed.

The movie runs out of plot and jokes well before the end of a two-hour running time, long for a light comedy.

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