The buzz surrounding Blue Is The Warmest Colour – a love story starring Léa Seydoux and new face Adèle Exarchopoulos – is massive. The film scooped the Cannes Film Festival Palme d’Or this year and both actresses were awarded special one-off prizes for their performances. Sounds good, right? Well unfortunately you’re going to have to wait until 15 November when it's released in the UK, but here’s the official trailer which came out today to tide you over. Léa’s cool-hued dye job got us thinking of all the seminal blue-hair moments in cinema and, as it turns out, there are lots: