It was one of the most talked about news stories of the week – and certainly of Paris Fashion Week, as the Valentino show welcomed two very unexpected guests to its runway: Derek Zoolander and Hansel.

Thanks to Vogue and Anna Wintour, a humorous new video reveals exactly how the duo prepared for their big fashion moment. As Wintour shares runway walk tips, and the trio use a selfie stick to capture a photo. Watch it below...