This is effectively a 90-minute ad for a superstore: it could have been Wild About Wilko, were that estimable outlet shipping shiny stones to the 1% instead of marked-down scourers to the rest of us. Inevitably, it’s a blue-chip, high-end promo, recruiting Jessica Biel and Baz Luhrmann to gush about the Manhattan jewellers’ elaborate brooches. Still, amid its slick melding of sparkly bits from 2009’s Bride Wars, relentless Moon River and input from solitary hitmakers Deep Blue Something, little is allowed to puncture the prevailing air of self-congratulation for enabling two centuries of conspicuous consumption. No 2016 release will be further out of step with the times.