As the UK's leading retailer of knickers, selling more than 60 million pairs a year, Marks & Spencer can't be wrong when it comes to discerning the tastes of the nation.
Everyone wants to be on the cover of American Vogue, the 'fashion bible' that has gilded the reputation of actresses and supermodels, pop stars and politicians.
CRAIK: Being the wife of a world leader is always going to come with baggage. And on the evidence of their get-together this week, that baggage is some of the most expensive.