London, sharpen your gaze: Prada Mode is back, and this time, it’s watching you watching it. Perfect timing too: it coincides with Frieze London, meaning the art crowd can double their spectatorship. At the centre of Prada Mode London is The Audience, a site-specific installation by Berlin-based duo Elmgreen & Dragset, the masters of playful disorientation (yes, Prada Marfa – the faux pop up store in the Chihuahua Desert – was theirs). Here, Town Hall is transformed into a cinema – though nothing about it feels straightforward. Together, the pieces blur the line between watcher and watched, making the simple act of looking suddenly feel theatrical.