Should I worry about cheap cashmere?

Just about every clothing supplier out there is offering deals on cashmere, including the cheap ones. Should I be concerned?

If you have an ethical dilemma, email Lucy at lucy.siegle@observer.co.uk

Eight Christmas party looks for men

From the office party to a big night out with friends, here are eight ways to spruce up your partywear this season without resorting to black tie

The pyjamas game – cosy elegance is back in time for winter lounging

Lose the droopy grey T-shirts, and embrace your inner Audrey with a pair of designer PJs, a stylish sleep shirt or some crisp cotton jim jams

Five things we learned from Chanel’s Salzburg show

The Austrian alps and a distinct Dick Turpin vibe were key looks at Karl Lagerfeld’s Metiers d’Art show

Mary Katrantzou: my love affair with Guy Bourdin’s photography

As the biggest ever Guy Bourdin exhibition opens in London, fashion designer Mary Katrantzou talks about the French photographer’s influence on her work