We’ve only just stopped talking about her last appearance on the Marc Jacobs/Louis Vuitton catwalk, the one where she appeared to be wearing support pants and was smoking a cigarette on National No smoking day. And now Kate Moss has returned to the Louis Vuitton catwalk, and this time it was apparently at her own request. If Kate shocked on her last appearance, this time she just looked extraordinarily pretty. The Spring/Summer collection for Louis Vuitton is a frothy, candy floss confection of early 60s style dresses which were modelled on the biggest carousel Paris had to other. This was a sweet and girlie collection, that made the most of…