Early adopter of all things trendy, Alexa Chung was snapped in New York with a tartan shirt. Plaid is big news for A/W – Celine, Stella McCartney, Louis Vuitton and loads more labels backed it – especially in the form of contrasting checks layered over one another, or with two types in one single garment like Alexa. A tip for now? Tie a flannel shirt round your waist to let everyone know you’ve already got one foot firmly in next season.