It's no definitive masterpiece but it's damn close.

This is a must-see and one of the best documentaries - and films - of this year.

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

The movie is made so realistic it has a lot of that WoW feeling at the right moments and never tooo over the top. the suspense is done so well and the emotion is felt. Very well put together with the music and all.