Did Sienna Miller realise that her 'do for this weekend’s NYC premiere of The Foxcatcher would make her into our poster girl for rainy weather hair? Maybe not, but we’re giving her the credit nonetheless. We’re strongly advising this catwalk look be attempted IRL for loadsa chic points: anything that passes off that 'walking into the office soaking wet' moment for a 'fashion moment' is something we’re happy to get involved in. 💅💅💅

Plus, it’s not as scary as it sounds. In fact, as ASOS hairstylist Charlotte Pannell explains, it’s rather straightforward. 'First blow dry your hair until it's 90% dry. Run a palm-sized amount of mousse from your hair's roots to tips using your fingers. Then just allow to air-dry before you leave the house.' Time to leave the umbrella at home – looking like you got caught in the rain just got cool…

Get AW14 ready with the trophy jumper. All is revealed here...

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