Kate Moss stunned at Gucci's Milan Fashion Week show in a daring backless dress, reviving the brand's iconic thong while showcasing her modern wellness focused lifestyle Kate Moss stunned at Gucci's Milan Fashion Week show in a daring backless dress, reviving the brand's iconic thong while showcasing her modern wellness focused lifestyle Kate Moss, 52, Shows Off G String in Backless Dress on the Runway Kate Moss backless dress Kate Moss in dress. Wearing the now iconic Vivienne Westwood tartan wedding dress, Moss walked the runway for the Anglomania autumn winter 1993 collection and strolled straight into the fashion history books.