Treat yourself to a fashion outing this week by popping into London to view two fantastic exhibitions. First stop: Somerset House for the ‘Tim Walker: Story Teller’ photographic exhibition, which highlights some of the Vogue and Vanity Fair photographer’s most extraordinary moments, all reflecting the theme: ‘Day dreams turned into photographs’. Surrealist portraits influenced by Walker’s fascination with the Gothic fairytale are the core of the exhibition. As well as the images, Walker’s passion for scene construction allows visitors to view various astounding props and models, namely a life-size Spitfire plane and a giant mechanical doll. In one compelling image (above) model Lindsey Wixson is kicked by one – how…