Everyone's wearing... Trilbies

Keira opts for a classic trilby, perfect for bad hair days

Rock tee- check. 'I'm with the band attitude'- check! Trilby - check. Lindsay plays the part of party girl so well.

Nicky avoids the over done L.A. look by accessorising with a cream and black straw trilby

A simple waistcoat and vest are given a touch of supermodel cool with a classic black trilby

Helena ditches the obvious mumsy straw hat in favour of a trilby for her holiday head gear. Just add tousled beach hair

Agyness teams her trilby with a Marc by Marc Jacobs scarf and tee, the epitome of quirky-chic.