When did fashion become the go-to second career for celebrities in need of an Act II? It has crept up on us, like all trends, starting with a sighting here – Sarah Jessica Parker prolonging her role in the public eye between Sex and the City via Halston Heritage – and a campaign there: Björn Borg finding life after tennis in athletic wear. Then, suddenly, it’s everywhere: Emma Watson growing up via niche collections with Alberta Ferretti and People Tree; Justin Timberlake getting elegant with William Rast; Ashley and Mary-Kate Olsen re-inventing themselves as serious designers with The Row, and ditto Victoria Beckham. Read more