From the Duchess of Cambridge to Rihanna and Jennifer Lawrence,celebrities have been spotted carrying tiny versions of designers'' full-size offerings

Forget huge holdalls or roomy shoppers. It’s all about ‘micro’ or ‘nano’ bags, with every designer from Louis Vuitton to Fendi shrinking their popular styles to doll-like proportions, barely big enough to hold a mobile phone and a lipstick.

Even Theresa May has one. Our on-trend PM was recently spotted carrying a dinky Redford bag by her favourite British designer, Amanda Wakeley. At 17cm tall and a mere 7.5cm deep, it’s roughly the same size as a box of chocolates, yet still costs almost ￡1,000.

And the High Street has followed suit, with sales of micro bags up 72 percent on last year at John Lewis, and a staggering 200 percent at Debenhams. On fashion sites such as Net-a-Porter, the tiny bags often sell out seconds after they arrive.

‘Micro bags are the new luxury must-have,’ says Selfridges’ accessories buyer Caroline Fielder. ‘They’re a more discreet way to wear fashion’s biggest names and the antithesis of the oversized It-bags of the early 2000s.

‘Back then, we saw bags getting bigger and bigger. Right now, we see the trend in reverse. These bags are all about shape, colour, adding interest and being playful — almost a crossover point between accessories and jewellery.’

Partly, too, it’s a sign of how technology has taken over our lives. ‘These days, all you really need are your keys and your phone,’ says Emily Seares from online style magazine Fashion Bite.

‘A phone can act as a diary, travel card, camera and even bank card in one — so why cartaround a huge bag when you can carry these essentials in a chic, tiny one?’

‘Cross-body styles look younger and more casual so are hugely popular with the Instagram-loving crowd,’ says Emily. ‘Micro bags are a very canny move by fashion brands as they make designer labels more accessible to a younger customer who might not be able to afford a full-size bag for more than ￡1,500, but could just save up and splurge out on a mini one that’s afew hundred pounds.’

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