After the Grease actor’s viral red carpet appearance, I wore a beret for a day (and my boss called me a mushroom).

Actor and director sported an array of different headgear at the French film festival

The first-time director admitted he wore a beret to channel ‘old school’ auteurs at Cannes – though mimicry can only take you so far, says Guardian fashion and lifestyle editor…

After the Grease actor’s viral red carpet appearance, I wore a beret for a day (and my boss called me a mushroom).

As John Travolta reveals he adopted his beret-heavy Cannes look to channel his inner auteur, Ellie Muir explores the psychology of dressing for the person you want to become