The in-between part of summer and autumn is often my favourite time to shop the high street. Unlike the midway point of spring/summer, where designers appear to come over with a case of fashion fever and the shop floors are packed to the brim with pieces that all look the same, the summer/autumn time slot opens up an entirely different silhouette. The colour palette begins to change from bold and bright to rich and subtle, fabrics become thicker and more luxurious, and layering comes into play.

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As the sun seems to have taken a permanent vacation at the moment, my mind is beginning to wander towards that midway point, and it doesn't help that the shops are already starting to filter in pieces from the hottest pre-autumn trend - military. Singer Rihanna has been snapped wearing a number of utilitarian style outfits recently, and it looks as though Lana Del Ray and Fearne Cotton have become seriously addicted to their army jackets!

Of course even our favourite celebrities have to get their inspiration from somewhere; the Autumn/Winter 2012 catwalks were awash with military influences. At Victoria Beckham there were slimline dresses with gold button detailing, McQ's debut fashion week show opened with some stunning army-inspired coats, the models at Topshop Unique marched down the catwalk in tough yet pretty pieces, and even parts of Burberry Prorsum's 'Town and Field' collection had military touches.

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Your uniform should be a mixture of fabrics, with structured and slouchy elements worn together to create a unique look - the trick is to go oversized but not too bulky. Camo, khaki, gunmetal grey and black are key to creating the right look, as are army style boots and patent accessories. Styling is absolutely essential; to avoid looking more front line than front row, do not attempt a head-to-toe ensemble!

If you fancy enrolling in the fashion army early, check out our hottest picks below.

militarytrend2012.jpgReverse camo sweat £30 Topshop, Antique whistle necklace £10 ASOS,Patent Dr Marten boots £85 Office, Alexander McQueen skull bracelet £125 Net-A-Porter, Thakoon Addition dress £325 Net-A-Porter , Cargo skinny jeans £25.99 New Look, Aviator sunglasses £10 Urban Outfitters, Khaki quilted barrel bag £24.99 New Look, Camouflage army jacket £48 Topshop

[runway images]