One thing that can admittedly sway me is a celebrity endorsement, like the one Elizabeth Olsen just gave what I consider to be the most controversial skirt trend of the season: knee-length skirts.

Simply sign up to the Style myFT Digest -- delivered directly to your inbox. I have been seeing a lot of knee-length skirts in shops and on social media. Are they back in style? Do I need to take ...

There’s a good reason so many of us rolled up the waistbands of our school skirts (and today’s girls still do) – those knee- and midi-length hemlines do nobody any favours. But school ...